{"id":7510,"date":"2025-06-16T12:28:10","date_gmt":"2025-06-16T18:28:10","guid":{"rendered":"https:\/\/www.supboardguide.com\/?p=7510"},"modified":"2025-08-05T14:13:33","modified_gmt":"2025-08-05T20:13:33","slug":"thurso-surf-116-expedition-touring-sup-review","status":"publish","type":"post","link":"https:\/\/www.supboardguide.com\/thurso-surf-116-expedition-touring-sup-review\/","title":{"rendered":"Thurso Surf Expedition 138 iSUP Review &#8211; 2025"},"content":{"rendered":"<h3>This high-performance smaller tourer from Thurso Surf has undergone some significant tweaks for 2025, raising its performance yet further.<\/h3>\n<figure id=\"attachment_17799\" aria-describedby=\"caption-attachment-17799\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-hero.jpg\" alt=\"Thurso Surf Expedition 138 2025 Review\" width=\"1120\" height=\"747\" class=\"size-full wp-image-17799\" \/><figcaption id=\"caption-attachment-17799\" class=\"wp-caption-text\"><em><\/em><\/figcaption><\/figure>\n<p style=\"text-align: center;\"><a href=\"https:\/\/geni.us\/Thurso-Expedition-138\" class=\"large radius otw-button\" style=\"background-color: #3b5998;\" target=\"_blank\">Check Prices<\/a>\n<p>The Thurso Surf Expedition 138 has been around for several years, but &#8211; while it may at first glance look pretty similar to its predecessors &#8211; the 2025 model comes with a few subtle but profound modifications.  Thurso Surf have upgraded the construction to all their boards this year, moving to welded seams and woven dropstitch throughout. More significantly though, they\u2019ve also reduced the thickness of the Expedition 138 by moving to 4.7\u201d dropstitch rather than 6\u201d. This may not seem like a huge difference but it has extremely positive implications for the general stability and feel of the board. <\/p>\n<p>So we were really excited to get our hands on the 2025 Thurso Surf Expedition 138, as we\u2019re big fans of this style of board in general. These 11\u2019-11\u20196 shorter touring boards (tourers traditionally being 12\u2019 or longer), are similar in length to all-round SUPs but perform very differently, being typically much more directional and speedy, with substantially improved glide. They\u2019re ideal for smaller paddlers, and indeed regular-sized paddlers just wanting more performance from a \u2018normal\u2019 sized board, rather than having to move up to something longer.<\/p>\n<p>However, because it\u2019s technically much more challenging to make a small tourer that actually performs well, there really aren\u2019t very many examples of the species to choose from. So it\u2019s great that Thurso Surf have backed their Expedition 138 for another season, and improve the performance yet further.   In this review we\u2019ll explain exactly what we found, but to whet your appetite we can certainly state the following: <\/p>\n<p>We think the Thurso Surf Expedition 138 would be a great SUP for:<\/p>\n<ul>\n<li>Smaller paddlers wanting an all-round board that responds easily and readily<\/li>\n<li>Any paddler under 180 lbs looking for a faster more responsive all-rounder<\/li>\n<li>Paddlers who want a small touring board that comes with a great set of fittings<\/li>\n<li>Paddlers wanting an easy upgrade from their beginner board to something with more performance but still offering good stability for its size.<\/li>\n<\/ul>\n<h2>Thurso Surf Expedition 138: Spec Sheet<\/h2>\n<figure id=\"attachment_17800\" aria-describedby=\"caption-attachment-17800\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-hero-2.jpg\" alt=\"Thurso Expedition - hero\" width=\"1120\" height=\"359\" class=\"size-full wp-image-17800\" \/><figcaption id=\"caption-attachment-17800\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138  is 11\u20196\u201d long, 30\u201d wide, 5\u201d thick, weighs 20.6 lbs, and has a recommended rider weight range of 130-180 lbs. In case you\u2019re wondering where the name comes from;  11\u20196 is 138 inches.<\/em><br \/><\/figcaption><\/figure>\n<ul>\n<li>Board Category:  Touring, Adventure<\/li>\n<li>Listed Board Dimensions:   11\u20196 x 30\u201d x 4.7\u201d<\/li>\n<li>Measured Board Dimensions: 11\u20195.5\u201d x 30 \u215d x 5\u201d<\/li>\n<li>Listed Board Weight:   21 lbs<\/li>\n<li>Actual Board Weight (board only, inflated): 20.6 lbs<\/li>\n<li>Recommended rider weight: 130-180 1bs<\/li>\n<li>Recommended PSI:  12-15 psi,  max 20. <\/li>\n<li>Fins:  Single US box 9\u201d touring fin<\/li>\n<li>Paddle: 3 piece carbon, nylon blade<\/li>\n<li>Board Shell Construction Materials:  Double layer fusion, welded rails<\/li>\n<li>Drop-stitch type:  X-woven<\/li>\n<li>Price Range: Low to Medium depending on options<\/li>\n<li>Warranty: 30 day full refund, 2 year full warranty (with conditions)<\/li>\n<\/ul>\n<h2>Performance Review of the Thurso Surf Expedition 138 Stand Up Paddle Board<\/h2>\n<figure id=\"attachment_17803\" aria-describedby=\"caption-attachment-17803\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-paddling-left.jpg\" alt=\"Thurso Expedition 138 - paddling left\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17803\" \/><figcaption id=\"caption-attachment-17803\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 is a stable, user-friendly and well-configured small touring design<\/em><\/figcaption><\/figure>\n<h3><strong>Overall Score: [9.6\/10]<\/strong><\/h3>\n<ul>\n<li><strong>Stability:<\/strong> 8.0\/10<\/li>\n<li><strong>Speed:<\/strong> 7.5\/10<\/li>\n<li><strong>Tracking:<\/strong> 9.4<\/li>\n<li><strong>Maneuverability:<\/strong> 8.5\/10<\/li>\n<li><strong>Construction Quality:<\/strong> 9.5\/10<\/li>\n<li><strong>Features\/Accessories:<\/strong> 9.5\/10<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/geni.us\/Thurso-Expedition-138\" class=\"large radius otw-button\" style=\"background-color: #3b5998;\" target=\"_blank\">Check Prices<\/a>\n<h3><strong>Stability Rating: [8.0\/10]<\/strong><\/h3>\n<p><em>The stability score shown here is a global rating, based on comparative performance to all other sizes and styles of paddleboards (other than multi-person boards).<\/em> <\/p>\n<p>Before we get into any detailed discussion about the stability of the Thurso Surf Expedition 138, it\u2019s important to understand the bigger picture with this particular parameter. The board is 30\u201d wide, and therefore, is always going to be a whole lot less stable than wider boards. Take the Max 11\u20196 from the Thurso Surf range, exactly the same length but at nearly 35\u201d wide offering vastly more stability. The difference is huge. This is why our absolute stability score above is 8.0\/10, because this gives an indication as to how the Expedition 138 compares to all other boards.  <\/p>\n<p>This is why Thurso Surf\u2019s recommended rider weight range for the Expedition 138 is 130-180 lbs, whereas for the aforementioned Max it\u2019s 180 &#8211; 240 lbs. Literally starting where the Expedition 138 leaves off! This really underlines why it is so important to make sure you\u2019re choosing the right width of board for your weight. Narrower boards simply can\u2019t offer the stability that wider boards can &#8211; it\u2019s just physics. <\/p>\n<p>So now let\u2019s talk about the relative stability of the Expedition 138; how it compares to other boards of similar size and shape. The design is actually very stable for a 30\u201d wide board. The widest point extends a long way forward and fairly far back too, creating a large, stable and very well balanced platform in the general standing area.  The wide square tail also helps, and perhaps most importantly, the reduced thickness also plays a major part, bringing the rider closer to the water.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17802\" aria-describedby=\"caption-attachment-17802\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-stability-2.jpg\" alt=\"Thurso Expedition 138 - stability\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17802\" \/><figcaption id=\"caption-attachment-17802\" class=\"wp-caption-text\"><em>The secondary stability of the Thurso Surf Expedition 138 is very good for a board of this overall width, due to the well-designed plan shape and the reduced thickness<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17801\" aria-describedby=\"caption-attachment-17801\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-pivot.jpg\" alt=\"Thurso Expedition 138 - pivot\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17801\" \/><figcaption id=\"caption-attachment-17801\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 has a decent amount of width in the tail, making it comfortably stable for step-back maneuvers.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>Overall, Thurso have done an excellent job in maximising stability with the Expedition 138 design. It\u2019s definitely one of the most stable 30\u201d small tourers that we\u2019ve paddled. With regard to Thurso Surf\u2019s recommended weight range, we\u2019d suggest that it\u2019s pretty much spot on for beginner paddlers. However, for someone looking at this as a second board purchase, for extending their range and capabilities beyond that offered by their existing beginner board, then the upper weight limit could easily be increased by 10 lbs or more.<\/p>\n<h3><strong>Speed: 7.5\/10<\/strong><\/h3>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><strong>SUP Board Guide&#8217;s Speed Testing:<\/strong><br \/>\n<em>The speed score given above is a comparative rating to other sizes and styles of paddleboards, whereby 14\u2019 raceboards would be scoring in the high 9s, and the widest all-round boards or surf-orientated shorter boards would be in the 5s or below. <\/p>\n<p>Over the many years that we have been reviewing paddleboards at supboardguide.com, we have experimented with numerous different methodologies for speed testing, involving various hardware and software solutions. However, none have proved replicable; even using the same rider in the same conditions the numbers would vary from day to day, and of course when using different riders, or even just a different paddle, the results would change significantly.  For this reason, while we still test all boards in cruise mode, fast cruise mode and then push them as hard as we can, we no longer give \u2018absolute\u2019 speed data (ie 5.5mph etc) &#8211; which ultimately doesn\u2019t really matter unless you\u2019re specifically looking to compete &#8211; and now report more on the general feel of the board when asked to perform.<\/em><\/div><\/div>\n<p>One of the reasons we really like this style of shorter tourer is because despite being the same general size as an all-round\/beginner board, they tend to have much better glide. They just move easier through the water. And this usually translates to considerably better speed, in all modes.<\/p>\n<h4><strong>Cruising<\/strong><\/h4>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<em>Paddling at a relaxed pace, maybe around 30 strokes per minute.<\/em><\/div><\/div>\n<p>In this mode the Expedition 138 feels nicely balanced and very comfortable to paddle, and as mentioned above definitely slides through the water at a faster cruising speed than your typical beginner board of this length.<\/p>\n<h4><strong>Fast Cruising<\/strong><\/h4>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<em>Paddling at a harder pace, but still comfortably aerobic so it\u2019s sustainable over a good distance, with a cadence in the low 40s.<\/em><\/div><\/div>\n<p>The Expedition 138 responds well when you step it up a bit, and is very comfortable holding a faster pace. This is great news for paddlers wanting to travel further afield and\/or do some more fitness-oriented paddling.<\/p>\n<h4><strong>Going Hard<\/strong><\/h4>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<em>Really gunning it, 60+ strokes per minute.<\/em><\/div><\/div>\n<p>In this mode we did find the Expedition 138 just slightly off the pace of the very fastest designs in this particular category of board. The tweaks that have given the board its excellent stability and tracking create a little more drag, which you definitely feel when you put the hammer down. Likewise, the relatively high nose rocker also starts to suck just slightly when you\u2019re really going for it.  Nevertheless, it\u2019s still infinitely better in this mode than your typical beginner board!<\/p>\n<h4><strong>Overall<\/strong><\/h4>\n<p>The performance curve of the Expedition 138 is an excellent board for cruising at light\/medium power levels. Overall, the improvements for this season have done the board no harm at all, being lighter and a bit stiffer than the previous iterations have improved its general performance as a smaller touring board yet further. While not quite the speediest of this breed of board, it\u2019s generally smooth and easy through the water, and great for longer distance cruising and fitness work.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17810\" aria-describedby=\"caption-attachment-17810\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-paddling-right.jpg\" alt=\"Thurso Expedition 138 - paddling right\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17810\" \/><figcaption id=\"caption-attachment-17810\" class=\"wp-caption-text\"><em>In relaxed cruising mode the Thurso Surf Expedition 138 is comfortable and smooth over the water.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17810\" aria-describedby=\"caption-attachment-17810\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-paddling-right-3.jpg\" alt=\"Thurso Expedition 138 - paddling right\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17810\" \/><figcaption id=\"caption-attachment-17810\" class=\"wp-caption-text\"><em>In fast cruising mode it has a good turn of speed and you\u2019d be very happy going for a longer paddle or doing some fitness training on the Expedition 138.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<h3><strong>Tracking: 9.4\/10<\/strong><\/h3>\n<p><em>Tracking ultimately comes down to board length; a longer board will almost always track better than a shorter board of the same general width. So our tracking scores are intended to show how a board compares to other boards in its size. In the case of the Thurso Surf Expedition 138 the scores compare to other boards in the 10\u20196 &#8211; 11\u20196 all-purpose\/touring category.<\/em><\/p>\n<p>The Thurso Surf Expedition 138 tracks really nicely. Narrower boards generally do track better anyway, as they are more \u2018torpedo like\u2019 in their progress through the water, especially when equipped with a pointed nose that helps sustain course. The Expedition 138 also benefits from that long straight section in the plan shape, with the parallel sides locking the board onto its path.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-fin.jpg\" alt=\"Thurso Expedition - fin\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The large touring fin helps hold the Expedition 138 nicely on course<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-paddling-in.jpg\" alt=\"Thurso Expedition 138 - paddling in\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 tracks extremely well, due to its narrow width, parallel-sided plan shape and wide tail.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>The large fin with its high-area touring shape also helps keep the board on track.   Overall, the Expedition 138 proved to be one of the best boards in its class when it comes to tracking, with a very locked-in feel &#8211; hence the deservedly high score.<\/p>\n<h3><strong>Maneuverability: 8.5\/10<\/strong><\/h3>\n<p>Maneuverability scores are based on comparative performance to boards of a similar general length and style. In the case of the Thurso Surf Expedition 138 the scores compare to other boards in the 10\u20196 &#8211; 11\u20196 all-purpose\/touring category. <\/p>\n<p>The design factors that give the Thurso Surf Expedition 138 its excellent tracking performance inevitably end up being less helpful when it comes to maneuvering. As mentioned, the board feels very locked-in, holding its course extremely easily. Predictably therefore, it takes a bit more effort to get it to change course. <\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-turning-3.jpg\" alt=\"Thurso Expedition 138 - turning\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 can be turned with forward and reverse sweep turns but it takes a bit of effort, and is a relatively slow way of maneuvering.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-pivot-6.jpg\" alt=\"Thurso Expedition 138 - pivot\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>Stepback turns on the other hand, are fun and relatively easy due to the relatively wide and supportive tail on the Expedition 138. <\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>Basic turning techniques such as forward and reverse sweep strokes will bring the board around but it\u2019s not in any particular hurry to respond. You\u2019re best off using rudder and cross bow turning techniques (if you haven\u2019t yet learned them then check out our <a href=\"https:\/\/www.youtube.com\/watch?v=sqJljisnIw8&#038;ab_channel=SupBoardGuide\" rel=\"noopener\" target=\"_blank\">how-to video<\/a>!), or for maximum spin, take that short walk back towards the tail and bring it round with a pivot turn. In this instance, the plan shape works in your favor, giving plenty of support underfoot when you do step back into that area.<\/p>\n<h3><strong>Construction Quality: 9.4\/10<\/strong><\/h3>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-side-rail-4.jpg\" alt=\"Thurso Expedition - side rail\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 features welded seams and X-woven dropstitch.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-vavle.jpg\" alt=\"Thurso Expedition - vavle\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 can be inflated to 20psi, which is a good indicator of a quality  construction process!<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<em>All iSUPs may appear to be very similar in how they\u2019re built, but this is far from the truth. There are three main areas of construction to consider when you\u2019re comparing paddleboards. What\u2019s happening on the inside, how the top and bottom outer skin are constructed, how the sides of the board are constructed. Some boards also have additional stiffening mechanisms or materials added to give the board further rigidity.<\/em><\/div><\/div>\n<p>The Expedition construction has seen several changes in recent seasons. The construction moved from two layers of PVC laminated together, to a fusion process whereby the layers are fused rather than glued, which removes a significant amount of weight. The side construction has now been upgraded to welded rail construction, which also makes quite a significant positive difference to the overall performance. And if that wasn\u2019t enough, the board now comes in a 4.7\u201d thick version, which also makes a major difference.<\/p>\n<p><strong>Inside the board<\/strong><br \/>\nThe dropstitch is X woven, for greater rigidity and stability. The thickness actually measures 5\u201d as opposed to the advertised 4.7\u201d, but we find this with the majority of quoted 4.7\u201d boards and the main point is that it\u2019s still significantly thinner than the 6\u201d version (which tend to be slightly thicker than advertised too). <\/p>\n<p><strong>Top and Bottom Skin<\/strong><br \/>\nAs mentioned earlier, the outer skin of the Thurso Expedition 138 now utilises dual layer fusion construction, with two sheets of PVC fused together onto the dropstitch substrate.  This fusion process is light yet strong, and widely regarded as the leading construction in iSUP board manufacture. <\/p>\n<p><strong>Rail construction<\/strong><br \/>\nThe sides of the Thurso Expedition 138 feature welded rails, another new upgrade for 2025. This adds an additional layer of integrity to the construction, with the overlaps between the side panels and top\/bottom panels secured by both glue and a heat weld. <\/p>\n<p><strong>Overall<\/strong><br \/>\nThe welded rails, fusion construction and thinner dropstitch definitely make a whole lot of difference to the feel of the Expedition 138. Thurso Surf are definitely on a good trajectory with all these upgrades, and have raised their game from average construction to a much higher grade. <\/p>\n<p><strong>Board Stiffness:<\/strong><br \/>\nStiffness Test: <strong>1.38\u201d<\/strong> Bend <\/p>\n<p>Our bend test came back with a pretty good result for the Thurso Surf Expedition 138. While 1.38\u201d isn\u2019t up there in the very best results we\u2019ve experienced in boards of this size, what really stood out to us is how similar it was to the last time we bend-tested this board. However, that previous board was 6\u201d thick! As thickness plays a major role in determining a board\u2019s stiffness, the fact that Thurso Surf have managed to make the Expedition a whole inch thinner but essentially lost no rigidity in the process is a real testament to how much the construction has improved.<\/p>\n<div class=\"su-note\"  style=\"border-color:#dfa776;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f9c190;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><strong>SUP Board Guide&#8217;s Bend Testing:<\/strong><br \/>\n<em>To ascertain the rigidity of each board we review, we have been using our own specific laboratory bend test process since 2021. The board is inflated to its maximum recommended PSI and positioned exactly on our measuring jig. 150lb weight is then applied to the standing area to see how much bend it causes. While this isn\u2019t an exact replication of the weight distortion that occurs when a rider stands on a SUP board in the water, it still gives a very useful comparative tool in determining the relative stiffness of the various board construction processes.<\/em><\/div><\/div>\n<p style=\"text-align: center;\"><a href=\"https:\/\/geni.us\/Thurso-Expedition-138\" class=\"large radius otw-button\" style=\"background-color: #3b5998;\" target=\"_blank\">Check Prices<\/a>\n<figure id=\"attachment_17800\" aria-describedby=\"caption-attachment-17800\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-bend-2.jpg\" alt=\"Thurso Expedition 138 - bend\" width=\"1120\" height=\"748\" class=\"alignnone size-full wp-image-17800\" \/><figcaption id=\"caption-attachment-17800\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 feels reasonably stiff on the water. If you try hard you can flex it but it responds in a predictable and orderly fashion and very quickly returns to proper shape when you stop.<\/em><\/figcaption><\/figure>\n<h3>Features\/Accessory Review: [9.5\/10]<\/h3>\n<h4>Features:<\/h4>\n<figure id=\"attachment_17800\" aria-describedby=\"caption-attachment-17800\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-hero-2.jpg\" alt=\"Thurso Expedition - hero\" width=\"1120\" height=\"359\" class=\"alignnone size-full wp-image-17800\" \/><figcaption id=\"caption-attachment-17800\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 has one of the best sets of deck fittings that you will find on a board of this size and style<\/em><\/figcaption><\/figure>\n<p>The Thurso Surf Expedition 138 comes in just the one colorway, the black and white deckpad along with the wood finish PVC in the nose. It looks clean and classy. The deckpad is EVA foam, with full length grooves giving excellent drainage.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-nose.jpg\" alt=\"Thurso Expedition - nose\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 has 3 cargo straps forward of the standing area.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-nose-2.jpg\" alt=\"Thurso Expedition - nose\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The handle on the nose of the board is comfortable and well padded, and the action mount can either take a slide-in GoPro-style mount or be used with the screw-in accessory mount option.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>So let\u2019s now take a walk-through of the fittings and features that you get with the Expedition 138. Starting at the nose, there\u2019s a well-cushioned carry handle along with a versatile action camera mount. This multi-compatible fitting can accommodate a slide-in GoPro mount or anything that screws into an M8 thread, so it should work with most action camera mounts.<\/p>\n<p>Moving back, you\u2019ll find three stretchy-webbing cargo straps. They have quite a bit of stretch, which makes them a bit tricky to cinch down tightly, and are spaced fairly far apart as well, making them better suited for stashing clothing or a dry bag rather than securing something smaller like a water bottle or sandals. However, because the straps are attached to the board by large steel D rings, it is very easy to utilize these for adding bungee cords or further strapping, to increase the cargo carrying capacity.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-nose-bungee-2.jpg\" alt=\"Thurso Expedition - nose bungee\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The cargo straps are fixed to the board using steel D rings, which can easily be repurposed for other cargo-securing methods.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-logo.jpg\" alt=\"Thurso Expedition - logo\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The deckpad is EVA foam, with full length grooves giving excellent drainage.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>At the front of the deck pad we find two more action camera mounts &#8211; this time the screw-in type &#8211; positioned on either side. Parallel with these are the front D rings for fixing a kayak seat, now a standard fixture on all the Thurso boards we\u2019ve reviewed this year. As is the set of paddle holder straps on either side, all of which really does allow for a whole lot of cargo carrying options.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-mounts.jpg\" alt=\"Thurso Expedition - mounts\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The extra screw-in accessory\/camera mounts, and the steel D rings for the kayak seat attachment.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-deck-4.jpg\" alt=\"Thurso Expedition - deck\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The raised pad on the tail seemed somewhat pointless. We would prefer to see the carry handle mounted on top of the deck rather than on the rail.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>Next up, right back at the tail, we find two further stretchy webbing straps. For a board designed for expedition paddling we\u2019d prefer to see, if not more straps, at least more fixing options at this end of the board, and quite a bit further forward as well, where there is more width and volume to support them.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-strap.jpg\" alt=\"Thurso Expedition - strap\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The Expedition 138 has a set of paddle holder straps on each side of the main standing area.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-tail-2.jpg\" alt=\"Thurso Expedition - tail\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The tail of the board has two more cargo straps (we\u2019d prefer to see three), the central leash fixing point and the slightly odd kick pad right at the back.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p>We\u2019re also unsure why Thurso have chosen to put the rear carrying handle on the rail at the tail, rather than on the deck. We definitely prefer deck-mounted handles, for general comfort and ease of use. We\u2019d suggest this would work better than having the small kick pad right at the very back of the board, which didn\u2019t really seem to fulfil any useful purpose.<\/p>\n<figure id=\"attachment_17822\" aria-describedby=\"caption-attachment-17822\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-hero-3.jpg\" alt=\"Thurso Expedition - hero\" width=\"1120\" height=\"359\" class=\"aligncenter size-full wp-image-17822\" \/><figcaption id=\"caption-attachment-17822\" class=\"wp-caption-text\"><em>On the underside of the Thurso Surf Expedition 138 we find <\/em><\/figcaption><\/figure>\n<p>On the underside of the Thurso Surf Expedition 138 we find  just the one central split-style US finbox.  The 9\u201d touring fin can be mounted either with a standard fin bolt and nut, or by using the optional click-in tensioners which allow you to push the fin into place without needing tools.<\/p>\n<div class=\"side-by-side-images\">\n<div class=\"side-image\"><figure id=\"attachment_17813\" aria-describedby=\"caption-attachment-17813\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-fin-box-2.jpg\" alt=\"Thurso Expedition - fin box\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17813\" \/><figcaption id=\"caption-attachment-17813\" class=\"wp-caption-text\"><em>The split-style US finbox makes the board easier to roll up, and also means that a huge range of compatible accessory fin options are available.<\/em><\/figcaption><\/figure><\/div>\n<div class=\"side-image\"><figure id=\"attachment_17812\" aria-describedby=\"caption-attachment-17812\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-fin-2.jpg\" alt=\"Thurso Expedition - fin\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17812\" \/><figcaption id=\"caption-attachment-17812\" class=\"wp-caption-text\"><em>The touring fin can be attached with a bolt, or clicked into place with tensioning pads.<\/em><\/figcaption><\/figure><\/div>\n<\/div>\n<p><strong>Included Accessories:<\/strong><\/p>\n<figure id=\"attachment_17822\" aria-describedby=\"caption-attachment-17822\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/unnamed-2025-06-16T192835.160.jpg\" alt=\"Thurso Surf Expedition 138 - kit\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17822\" \/><figcaption id=\"caption-attachment-17822\" class=\"wp-caption-text\"><em>Accessories as seen from left to right: Thurso Surf portable electric pump in its case, Thurso 3 piece Carbon Elite paddle, SUP backpack, accessory case, and the touring fin.<\/em><\/figcaption><\/figure>\n<p>The Thurso Surf Expedition 138 can either be purchased board only (including the coiled leash and the 9\u2019 touring fin), or as a package, whereby you get the option of adding a backpack, rechargeable electric pump, life jacket, kayak seat, SUP carrier strap, and the Thurso Surf Carbon Hybrid 3 piece adjustable paddle, for which you can also add an extra blade to make it into a kayaking paddle. Purchasing any (or indeed all!) of these accessories in the bundle makes good sense as the prices are typically around 20% cheaper than buying them individually.  The electric pump is reasonably powerful, and takes about 8 minutes to inflate the board. The backpack is spacious and has rucksack straps and wheels. The Carbon Hybrid paddle is a reasonably good beginner\/intermediate paddle, but we\u2019d suggest that to maximise what the Expedition 138 has to offer, you\u2019d be better off getting yourself the Carbon Elite paddle instead.<\/p>\n<figure id=\"attachment_17824\" aria-describedby=\"caption-attachment-17824\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-bag.jpg\" alt=\"Thurso Expedition - bag\" width=\"1120\" height=\"747\" class=\"aligncenter size-full wp-image-17824\" \/><figcaption id=\"caption-attachment-17824\" class=\"wp-caption-text\"><em>Thurso Surf boards come with an excellent accessory carry case, with pockets for fins, pads, repair kit etc.<\/em><\/figcaption><\/figure>\n<h2>Summary Review of the Thurso Surf Expedition 138<\/h2>\n<figure id=\"attachment_17824\" aria-describedby=\"caption-attachment-17824\" style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-138-walking-out.jpg\" alt=\"Thurso Expedition 138 - walking out\" width=\"1120\" height=\"748\" class=\"aligncenter size-full wp-image-17824\" \/><figcaption id=\"caption-attachment-17824\" class=\"wp-caption-text\"><em>The Thurso Surf Expedition 138 has been significantly improved for 2025 by the construction upgrades and reduced thickness.<\/em><\/figcaption><\/figure>\n<p>As we explained at the beginning of this review, we\u2019re big fans of this \u2018small tourer\u2019 style of board because it\u2019s so great for smaller people in particular, who by nature of their size simply don\u2019t have the same power and leverage to exert, as a bigger person does. So a board that responds easily and has good glide can be a real game-changer. For others, the appeal is that it\u2019s still essentially the same general size as a typical beginner\/all-round board, and thus easy to carry and load onto the car, isn\u2019t too affected by wind, etc, yet still offers a whole lot more performance. Being quite a bit less intrinsically stable than an all-round\/beginner board the small tourer won\u2019t be for everybody, but for many it\u2019s absolutely ideal. <\/p>\n<p>We\u2019ve reviewed several great designs in this \u2018small tourer\u2019 category this season, and the Thurso  Expedition 138 is a great example of this style. While it\u2019s not the fastest in the group, it\u2019s definitely right up there at or near the top in terms of stability, tracking and how well configured it is in terms of fittings. All in all, even though the shape and appearance is largely unchanged, this version of the Thurso Surf Expedition 138 really feels like a different board on the water. Great job Thurso! <\/p>\n<p>We hope you enjoyed this review of the Thurso Surf Expedition 138. If you have any questions or comments please leave us a comment below, we love to hear from you and get your feedback.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/geni.us\/Thurso-Expedition-138\" class=\"large radius otw-button\" style=\"background-color: #3b5998;\" target=\"_blank\">Check Prices<\/a>\n","protected":false},"excerpt":{"rendered":"<p>This high-performance smaller tourer from Thurso Surf has undergone some significant tweaks for 2025, raising its performance yet further. The &#8230; <a title=\"Thurso Surf Expedition 138 iSUP Review &#8211; 2025\" class=\"read-more\" href=\"https:\/\/www.supboardguide.com\/thurso-surf-116-expedition-touring-sup-review\/\" aria-label=\"More on Thurso Surf Expedition 138 iSUP Review &#8211; 2025\">Read more<\/a><\/p>\n","protected":false},"author":17,"featured_media":18314,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88,21,324,113],"tags":[],"class_list":["post-7510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-arounder","category-inflatable","category-thursosurf","category-touring"],"wppr_data":{"cwp_meta_box_check":"Yes","cwp_rev_product_name":"Thurso Surf Expedition 138\u2019 iSUP Review","_wppr_review_template":"default","cwp_rev_product_image":"https:\/\/www.supboardguide.com\/wp-content\/uploads\/2025\/06\/Thurso-Expedition-side-rail-5.jpg","cwp_image_link":"image","wppr_links":{"Check Prices":"https:\/\/geni.us\/Thurso-Expedition-138"},"cwp_rev_price":"","wppr_pros":["A great example of the small touring class; excellent for smaller riders wanting good performance from a sub 12\u2019 board.","One of the most stable boards of this style, especially now with the reduced thickness.","Really good tracking performance for a board of this size!","A great set of deck fittings and cargo options too","With the kayak seat option and multiple paddle holder fixings, it has options for sit-down cruising too.","Noticeable performance improvements over the previous version of Expedition 132","Great having that option to choose just the accessories you want at check out.",""],"wppr_cons":["Not quite the quickest of the small tourers of this size (although still substantially faster than any all-round board of this length!).","The cargo straps aren\u2019t ideal for carrying something small like a water bottle. (But you can easily fix this by putting your own bungee cords onto the board using the D ring fixings.)","","","","","",""],"wppr_rating":"96.00","wppr_options":{"1":{"name":"Overall Rating","value":"96"}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thurso Surf 11&#039;6&quot; Expedition Touring SUP Review 2025 | SUPBoardGuide<\/title>\n<meta name=\"description\" content=\"The Thurso Expedition 138 is a great example of a small-touring\/all-arounder crossover paddle board with great performance and construction. 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