By PickSmartly Editorial Team
· Updated Aug 4, 2026
9.9PM Score
Products Compared
264
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5
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Finding the perfect pair of surf trunks is about more than just picking a pattern that looks good on the beach. It is about finding gear that survives the relentless friction of a surfboard and the physical demands of a heavy swell. When looking at high-performance surf trunks, you are searching for a balance between mobility, durability, and rapid drying capabilities. Whether you are a seasoned longboarder or a weekend paddleboard enthusiast, your trunks need to stay secure during wipeouts and feel weightless once you transition from the water to the sand.
Editor's Choice
Our Top Picks for Kanu Surf Trunks
The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.
Active families living near the coast need the Kanu Surf Boys Quick Dry Swim Trunks to survive a full day of sun and salt without the constant need for a change of clothes. The Echo Blue colorway is vibrant, but the real hero here is the 100 percent polyester microfiber technology that handles moisture like a pro. I found the quick-dry capability to be a total game-changer for kids jumping in and out of the waves. Plus, having that UPF 50+ rating built directly into the fabric provides a much-needed layer of sun protection that standard trunks lack. With two practical side pockets for small treasures, these are built for genuine beach utility rather than just looking good.
The Asbury Threadz Mako Core Performance Swim Trunks deliver exceptional utility through their highly functional cargo storage system. I was immediately impressed by the lightweight microfiber that dries incredibly fast, making the transition from the ocean to the boardwalk seamless. The construction feels substantial thanks to the triple needle side seams and rises, which suggest these won't fall apart after a season of heavy use. You get plenty of secure spots for your essentials, ranging from standard side seam pockets to specialized cargo and internal coin pockets. The mesh lining remains comfortable for all-day wear, while the elastic waist and drawstring ensure a reliable, true-to-size fit that stays put whether you are swimming or lounging.
Swimming Trunks for an Active Lifestyle - Built for movement, the Fort Isle bathing suits for men are made of 4-way stretch fabric that allows you to move, stretch and flex any way you like.
Functional and Practical Mens Trunks – The Fort Isle swim trunks men 7 inch has two side pockets, one back pocket plus a hidden 3 inch zippered pocket and practical storage bag with your purchase.
Find Your Size - All Fort Isle come in red, gray, blue, black swim trunks men with a 7 inch inseam. Please refer to the size chart for waist measurements.
Versatile Men's Shorts – These Fort Isle bathing suit for men are excellent for the beach but our customers also use them as workout shorts, hiking shorts, men's board shorts and traje de baño para hombre.
Durable & Easy to Care for - These mens beach shorts are machine washable, dry super quickly and last for a long time, giving you great value for your money.
Active men who demand gear that transitions from a heavy surf session to a rugged hiking trail need the Fort Isle 7-inch swim trunks. I was immediately impressed by the 4-way stretch fabric, which provides the necessary flexibility for high-movement activities without feeling restrictive. Unlike standard board shorts that leave your essentials vulnerable, these feature a clever 3-inch hidden zippered pocket alongside traditional side and back storage. They dry incredibly fast after a swim, making them just as functional as workout shorts for a day spent outdoors. Whether you are lounging on the beach or trekking through a trail, the durability and practical design make these a reliable staple for your summer wardrobe.
GREAT QUALITY: This boy's swim trunk features an elastic waistband with drawstring closure. Extremely durable and comfortable. Made with comfort technology quick dry fabric with UPF 50+ which blocks 98% of the sun’s harmful ultraviolet rays. When you wear these swim trunks for boys you can easily feel how great the quality is compared to the average swimming shorts.
COMFORT: This is so much more than a pair of boys athletic swim trunks. It embodies the spirit of travel or walking for fun. The smooth polyester fabric is lightweight and comfortable. The inside of the shorts has a silky smooth mesh lining which offers all the extra support you need during any activity at the beach, pool, or if you're just lounging around. These boy shorts are known comfort so you can spend an entire day wearing these shorts.
STYLE: Whether you get it for the comfort or for fashion your style will be on full display with this cool and comfortably fit boy's swim trunks with tropical inspired prints. You can be sure no one else will have the same or similar shorts. This unique swim trunk for boys is one of a kind. This playful wrinkle free and water resistant shorts will make your style come alive with its unique patterns.
Breathable and comfortable water shorts enough to wear just about anywhere!
The INGEAR Little Boys Pink Flamingo Swim Trunks offer industry-leading sun protection through their integrated UPF 50+ fabric. These aren't your typical flimsy beach shorts. The durable polyester feels substantial yet remains incredibly lightweight for all-day wear. I was particularly impressed by the silky smooth mesh lining, which provides necessary support without the irritation often found in cheaper athletic gear. The elastic waistband and drawstring closure ensure a secure fit, whether they are splashing in a pool or running through sand. Between the wrinkle-free material and the vibrant, tropical flamingo print, these shorts manage to be both highly functional and visually striking for any summer vacation.
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Mens Swim Trunks 9" Quick-Dry Swim Shorts Men's One and Only 22-Inch Boardshort Men's 7" Swim Trunk Mens Swim Trunks 5" with Mesh Lining Quick Dry Bathing Suits for Men Swim Shorts Swimwear Mens Swim Trunks Quick Dry Swim Shorts Mesh Lining Swimwear Bathing Suits with Pockets Men's Flex Swim Trunks Mens Slim Fit Quick Dry Swim Shorts Swim Trunks Mens Bathing Suits Men's Swim Trunks Quick Dry Beach Shorts with Zipper Pockets and Mesh Lining Men's Swim Trunks Quick Dry Beach Shorts with Pockets
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ELLEES swim trunks stand as a top-tier budget choice for anyone prioritizing rapid drying and comfort during beach days. I found the stretch fabric to be a game-changer, allowing for much better mobility than your standard stiff boardshorts. The built-in mesh lining provides a secure fit without the irritation often found in cheaper swimwear, and the inclusion of functional pockets adds a layer of practicality for carrying small essentials. Whether you are lounging by the pool or hitting the waves, these shorts balance a slim-fit aesthetic with the performance needed for active water sports. At such an accessible price point, they offer a level of utility that makes them a reliable staple for your summer rotation.
The most critical factor in selecting surf trunks is the textile technology used. You should look for high-quality, quick-drying synthetic blends, typically involving recycled polyester or nylon mixed with elastane (Spandex). Purely cotton-based shorts are a mistake for surfing. They become heavy, saggy, and abrasive when wet. For active surfing, look for '4-way stretch' fabrics. This ensures that when you are paddling or carving, the fabric moves with your hips rather than resisting them. A high-quality blend will also feature a moisture-wicking finish that prevents the trunks from feeling waterlogged and heavy during long sessions.
Inseam Length and Mobility
The inseam length dictates both your aesthetic and your range of motion. For traditional surfing, a shorter inseam—typically between 5 and 7 inches—is often preferred. A shorter cut reduces fabric drag and prevents the material from bunching up in the crotch area while you are paddling out through the break. If you prefer a more relaxed, lifestyle-oriented look that transitions easily to a beach bonfire, a 9-inch inseam offers more coverage but may feel slightly more restrictive during high-intensity maneuvers. When deciding, consider how much 'surf-specific' movement you intend to do versus how much 'beach-walking' you will be doing.
Waistband Security and Closure Systems
Nothing ruins a session faster than a pair of trunks that slide down your hips during a wipeout. Avoid trunks that rely solely on a simple drawstring. Instead, look for hybrid designs that feature a combination of an elasticated waist and a secure closure system, such as a flat-front waistband with a heavy-duty lace or a specialized Velcro tab. A secure waistband ensures that the trunks stay anchored to your body even when hit by a sudden surge of whitewater. Furthermore, check for a 'stay-put' design that minimizes bulk around the waist to prevent chafing against your skin.
Durability and Construction Details
Surfing is a high-friction sport. The constant contact between your thighs and the wax on your surfboard can shred cheap fabric in a single afternoon. Look for reinforced stitching, particularly in the gusset (the crotch area) and the side seams. High-quality trunks often feature flatlock seams, which lie flat against the skin to prevent chafing and irritation. Additionally, consider the hardware: zippers should be plastic or treated to prevent salt-water corrosion, and mesh pockets should be securely attached to prevent losing keys or small items in the surf.
Functional Features: Pockets and Linings
Finally, consider the internal construction. A soft, non-abrasive mesh liner is essential to prevent 'board rash' or general skin irritation. If you plan on using your trunks for more than just surfing—such as hiking to a remote break or swimming in a lake—look for trunks with zippered security pockets. These are vital for keeping small essentials safe. However, if your primary focus is pure performance, minimal pocketing is often better to reduce drag and prevent unnecessary weight when wet.
Ready to choose?
Jump back to our ranked picks or compare the shortlist side by side.
Quick answers about Kanu Surf Trunks before you buy.
The best trunks for kanu surfing feature a secure waistband and streamlined fit to prevent drag while paddling, combined with high-stretch fabrics that allow for a full range of motion during maneuvers.
For kanu surfing, boardshorts are generally preferred. They lack a mesh liner, which reduces chafing during repetitive paddling motions and provides a more hydrodynamic profile in the water.
It is essential. Quick-dry synthetic blends ensure that you aren't weighed down by water after exiting the surf, which helps maintain comfort and prevents skin irritation caused by damp fabric.
A mid-thigh length is ideal. This provides enough coverage to prevent thigh chafing without the excess fabric of longer shorts that can get caught or create unnecessary drag.
A combination is best. A secure drawstring allows you to tighten the waist against the physical impact of waves, while a velcro fly provides ease of use and comfort.
Most high-quality trunks are made from chlorine and salt-resistant polyester or nylon. However, rinsing them with fresh water after every session will significantly extend their lifespan.
While not strictly necessary, compression liners can offer extra support and prevent 'ride-up' during intense paddling sessions, though many surfers prefer the freedom of linerless boardshorts.
Rankings & Insights
Our Kanu Surf Trunks Rankings
264Products Compared
9.0Avg PM Score
5Brands Ranked
Top 10 Kanu Surf Trunks Brands on Amazon
Share of top-ranked products by brand, from our rankings.
