Best S Mens Swim Trunks in 2026

The Kanu Surf Boys Quick Dry Swim Trunks deliver unbeatable sun protection with a built-in UPF 50+ rating. While testing these in the Echo Aqua colorway, the lightweight 100 percent polyester microfiber felt incredibly soft against the skin, which is a huge win for active kids. The quick-dry technology actually works, meaning less time shivering in damp fabric after a dip in the pool or ocean. I also found the two side pockets to be a practical addition for holding small treasures found on the beach. At an accessible price point, these trunks offer a reliable blend of comfort and functional safety for a full day of summer play.

After weeks of use during a coastal summer trip, these Kanu Surf Flex trunks have proven to be a reliable staple for both the ocean and the poolside. The UPF 50+ microfiber fabric is impressively lightweight and dries incredibly fast, which is a lifesaver when you are transitioning from a swim to a casual lunch. I was particularly struck by the build quality. The triple needle side seams and rises suggest these are built to withstand much more than just lounging. With a comfortable mesh lining and a secure elastic waist with a drawstring, they fit true to size and stay put. Plus, the combination of side seam and cargo pockets provides much-needed storage for small essentials when you are on the move.

The Kanu Surf Barracuda Swim Trunks deliver a bold patriotic aesthetic through their striking reverse stars-and-stripes panels. These aren't just standard board shorts. The contrast stitching adds a premium, rugged feel to the microfiber fabric. I found the UPF 50+ protection and quick-dry technology to be essential for long days under the sun, ensuring you aren't bogged down by heavy, wet fabric. The fit is secure thanks to the elastic waistband and tie string, while the mesh lining keeps things comfortable. I also appreciated the practical addition of the side flap patch pocket, which is perfect for holding small essentials while you're lounging poolside. At this price point, they offer a high-performance blend of style and utility.

Sunburns and restrictive, heavy swimwear are the primary enemies of a successful day at the beach for active toddlers. These maamgic swim trunks tackle both issues by combining lightweight, quick-dry polyester with essential UPF 50+ sun protection. I love that the above-the-knee cut allows kids to run and play without tripping over excess fabric, while the silky mesh lining prevents that dreaded chafing. The designs are genuinely playful, ranging from dinosaurs to pineapples, making them a hit with even the pickiest little ones. With an adjustable drawstring waistband and practical drainage holes in the back pocket, these trunks are built for everything from surfing to lounging. Plus, the availability of matching patterns for dads makes for some adorable parent-child photo ops.

Active boys who refuse to sit still during summer vacation need these LUCOWEE swim trunks to prevent the dreaded chafing that ruins a day at the pool. The standout feature is the built-in boxer brief liner, which provides supportive compression without being so tight that it restricts growth or movement. I love that the shell uses recycled 4-way stretch fabric, making them incredibly lightweight and quick-drying after a heavy swim session. The functional drawstring and metal grommets ensure a secure fit even during rigorous water sports, while the UPF 50+ finish offers much-needed sun protection. With deep, mesh-lined pockets and a secure Velcro back pocket, these trunks transition seamlessly from swimming to running around the playground.

Most parents settle for heavy, soggy swim shorts that take hours to dry, but the Kanu Surf Avalon trunks change the game with high-performance microfiber. I was particularly impressed by the build quality. The triple needle side seams and rises suggest these won't fall apart after a season of heavy salt and sand use. The Echelon Black/Green colorway looks sharp, and the UPF 50+ protection is a massive relief for long afternoons under the sun. Practicality is also a huge win here, as the combination of side seam pockets and cargo pockets gives kids plenty of places to stash small treasures. Since they offer matching sizes for adults, you can easily coordinate a family beach day without sacrificing durability or comfort.

Kanu Surf boys Yolo Quick Dry swim trunks deliver a vibrant geometric pattern that stands out against the sand. These trunks are built for active days at the beach, utilizing a quick-dry fabric that keeps kids comfortable even after a long session in the waves. The Yolo Green colorway is energetic, and the fit feels secure thanks to the elastic waistband paired with a functional drawstring. I particularly like the inclusion of a right-side flap pocket, which adds a practical touch for storing small treasures found during a beach walk. With UPF 50+ protection built into the material, you can feel confident about sun safety while they play. It is a solid, stylish choice for summer adventures.

Active kids who spend more time in the waves than on the sand require gear that can actually keep up with their energy. These Kanu Surf swim trunks are a total game-changer for summer beach days because of the specialized 100 percent poly comfort technology. The microfiber material feels incredibly soft against sensitive skin, but more importantly, it dries almost instantly after a dip in the ocean. With a built-in UPF 50+ rating, you can stop worrying about the midday sun while they play. I also noticed the two side pockets are a practical touch for holding small treasures found along the shoreline. It is a reliable, high-performance piece of apparel that balances sun protection with rapid drying capabilities.

Active kids who spend their entire summer alternating between crashing waves and scorching sunlines need the Kanu Surf Viper trunks to stay comfortable. I was particularly impressed by the 100 percent polyester microfiber, which feels incredibly lightweight and utilizes comfort technology to dry almost instantly after a dip in the pool. The UPF 50+ rating provides essential sun protection that gives parents some much-needed peace of mind during long beach days. While the Optic Navy and Red colorway is striking, keep in mind that because each garment is unique, the print position might vary slightly from the photo. With two practical side pockets for small treasures, these are a reliable staple for any young swimmer's gear bag.

Active kids who spend all day oscillating between the pool and the sand desperately need these Kanu Surf swim trunks to avoid the misery of soggy, heavy gear. The microfiber technology is a total game-changer because it dries incredibly fast, which is vital for preventing that uncomfortable, chilled feeling after a swim. I love that the Reflection Aqua color pops against the water, and the UPF 50+ rating provides essential sun protection for sensitive skin during long beach days. With two practical side pockets for small treasures and a comfortable polyester build, these trunks are built for constant movement. They offer a reliable, high-performance solution for parents who want their kids to stay protected and comfortable from sunrise to sunset.

BOJIN has engineered a versatile summer essential that punches well above its weight for active beachgoers. The 4-way stretch polyester fabric feels incredibly lightweight against the skin, providing enough mobility for surfing or yoga without feeling restrictive. I particularly appreciate the thoughtful pocket design. The two slanted mesh side pockets and the rear velcro flap pocket with a drain hole ensure you won't deal with heavy, waterlogged fabric or lost essentials. With a 9-inch inseam that hits right at the knee and a secure drawstring waistband, these shorts offer a reliable fit for everything from high-energy water sports to casual vacation lounging. The UPF 50+ protection and quick-dry capabilities make them a practical choice for long days under the sun.

The APTRO Men's Shark Print Swim Trunks deliver a high-performance blend of durability and style that makes them a standout choice for beachgoers. These trunks utilize premium polyester with water-repellent technology, ensuring they dry rapidly after a dip in the ocean. I was particularly impressed by the functional design, featuring a 9-inch inseam that hits right at the knee for a classic look. The inclusion of multiple pockets, including a cargo flap pocket with a drain hole, shows a real attention to detail for practical use. With UPF 50+ protection and a secure drawstring waistband, these shorts transition easily from intense water sports to casual poolside lounging without sacrificing comfort or security.

The lightweight microfiber fabric feels incredibly soft against your skin the moment you pull these trunks on. I was immediately impressed by the build quality, specifically the triple needle side seams and rises that suggest these will hold up through heavy salt and sand exposure. They transition seamlessly from a morning swim to a casual lunch thanks to the comfortable mesh lining and quick-dry technology. Storage is a major win here, too. You get side seam pockets, cargo pockets, and even a dedicated internal pocket for a coin or key. With a reliable elastic waist and drawstring, the fit feels secure and true to size, making them a dependable staple for any beach trip.

Sand, sun, and endless splashing in the backyard pool require gear that can actually keep up with an active kid. These INGEAR swim trunks stand out immediately because of the high-quality, lightweight polyester fabric that feels much more substantial than your typical budget beach shorts. The pink pineapple tropical print is vibrant and unique, making them a standout choice for summer vacations. I was particularly impressed by the UPF 50+ sun protection, which provides peace of mind by blocking 98% of harmful UV rays during long afternoons outdoors. With an elastic waistband, drawstring closure, and a silky smooth mesh lining, they offer a comfortable, supportive fit that transitions easily from swimming to lounging without feeling heavy or restrictive.

Active men who are tired of the dreaded chafing and awkward clinging of traditional mesh liners need these MILANKERR swim trunks immediately. I was particularly impressed by the new generation compression liner. It is lightweight and provides serious support without feeling restrictive. The 4-way stretch polyester fabric feels silky against the skin and dries incredibly fast, which is a lifesaver when transitioning from the surf to a casual lunch. With a 7-inch inseam and a stylish blue stripe pattern, they hit that sweet spot between functional athletic gear and trendy beachwear. The inclusion of deep mesh side pockets and a specialized cargo pocket with a drain hole shows a level of thoughtful design that makes these much more practical than your standard board shorts.

Finding swimwear that survives the chaos of a summer playground while actually protecting sensitive skin is a constant struggle for parents. These dragon scale 3D print trunks from visesunny tackle that challenge by combining high-energy patterns with serious UPF 50+ sun protection. The lightweight polyester fabric feels smooth against the skin, and the silky mesh lining provides much-needed support for active toddlers during beach days or pool sessions. I love that the elastic waistband and drawstring allow for a secure, custom fit that stays put during water skiing or running. Because the material is wrinkle-free and water-resistant, these shorts maintain their vibrant, non-fading designs even after multiple machine washes. They are practical, stylish, and built to handle everything from lounging to heavy splashing.

Wet, heavy swimwear often ruins a day at the beach, but these YnimioAOX swim trunks tackle that discomfort with impressive speed. I found the waterproof outer layer actually does its job, keeping the fabric from feeling overly bogged down immediately after a dip. The 7-inch inseam offers a modern fit that works just as well for surfing as it does for lounging poolside. One of the most practical aspects is the quick-dry technology. Depending on conditions, they can dry in as little as five minutes. The inclusion of a mesh lining ensures they aren't see-through, and the three-pocket layout provides enough storage for the essentials. Just be sure to follow the specific waist recommendations rather than standard tag sizes to ensure a perfect fit.

Chafing and the dreaded 'wet fabric cling' often ruin a perfect day at the beach, but these Zeetoo swim trunks tackle those issues head-on with a built-in compression liner. I found the 2-in-1 design incredibly practical because the super soft, breathable inner layer provides a supportive fit that stays in place even when soaked. The outer 4-way stretch fabric feels durable yet flexible, and the quick-dry technology is impressive, drying in about five to ten minutes. With four dedicated pockets—including deep mesh side pockets and a secure back velcro pocket—you can actually carry your phone or keys without worrying about them falling out. Whether you are surfing or just lounging, the UPF 50+ protection and adjustable drawstring waistband make these a versatile staple for any summer activity.

Under Armour Men's Standard Compression Lined Volley shorts are a high-performance summer essential defined by their incredible mobility. I found the 4-way stretch fabric and the 7-inch inseam to be the perfect balance for transitioning from a morning surf to a casual afternoon lunch. The Black Sand Camo pattern looks sharp, but the real magic lies in the technical specs like the UPF 50 sun protection and the quick-dry, water-repellant finish. Having a built-in compression liner makes a massive difference in comfort, preventing the chafing often found in cheaper trunks. With functional side and back pockets and a secure drawstring waist, these feel like a premium piece of gear rather than just basic swimwear.

Surfing a swell or snorkeling through a coral reef requires gear that won't let the sun burn through your skin. These Calasa Tech tights from Coolibar are built specifically for that high-exposure water play, utilizing Aqua Juno fabric to block 98% of UVA/UVB rays. The 30-inch inseam provides full-length coverage, while the four-way stretch ensures you can move freely without feeling restricted. I noticed the flatlock seams are a game-changer for preventing chafing during long sessions in the water. They are remarkably resistant to both chlorine and saltwater, which is essential for longevity. Just keep in mind these aren't designed for high-intensity land fitness. They are optimized for the water, not for moisture-wicking during a dry run.

Active swimmers who demand gear that survives the salt and sun without getting heavy and soggy need these Speedo Marina trunks. The standout feature is definitely the trademarked vapor plus fabric, which manages to stay incredibly lightweight while drying much faster than your standard board shorts. I love that they integrated UPF 50+ UV protection, making them a legitimate piece of sun-safety equipment rather than just fashion. The 20-inch out seam provides a perfect mid-length fit that isn't too bulky, and the addition of side cargo pockets gives you a practical spot for small essentials. Between the full mesh lining and the secure drawstring waist, they feel built for movement and long days at the beach.

Most beachgoers settle for heavy, water-logged shorts that stay damp for hours, but these Rokka&Rolla swim trunks change the post-swim experience entirely. The quick-drying microfiber fabric is a game changer, ensuring you aren't walking around in soggy gear once you hit the sand. I was particularly impressed by the soft peach finish, which gives the shorts a premium, stylish feel that sets them apart from standard nylon swimwear. The mesh lining keeps things breathable during active water sports, while the UPF 50+ protection offers essential peace of mind under the sun. Between the secure elastic-drawstring waistband and the convenient velcro back pocket for your small essentials, these shorts are built for actual utility rather than just looking good.

You might hesitate to trust another pair of swim shorts that promises to solve the dreaded sand-itch, but these BRISIRA trunks actually deliver on that front. The standout feature is the 2-in-1 compression boxer brief liner, which replaces the scratchy mesh found in cheaper suits with a soft, second-skin feel that prevents chafing. Built with 4-way stretch fabric and UPF 50+ sun protection, they allow kids to move freely from the pool to the beach without feeling restricted. I love the practical touch of the two large side pockets and the adjustable drawstring waistband, ensuring a secure fit for active toddlers and older boys alike. Whether they are fishing or just playing in the waves, these shorts prioritize mobility and skin comfort.

Most budget swimwear feels like wearing a plastic bag, but these SILKWORLD shorts actually prioritize quick-drying comfort. The lightweight fabric is surprisingly soft against the skin, and the UPF 50+ rating provides essential sun protection for long days on the water. I was particularly impressed by the practical storage options. The side zipper pockets keep your essentials secure during a surf session, while the rear velcro pocket includes a drainage feature to prevent water weight buildup. The navy fabric paired with a contrasting red drawstring offers a classic, clean aesthetic that transitions easily from a morning swim to casual afternoon errands. With a full elastic waist and adjustable drawstring, you get a reliable, customized fit for everything from hiking to beach hangouts.

Every serious angler needs a pair of these Mossy Oak shorts to handle the unpredictable transition from a hot boat deck to a sudden swim. The 92% nylon and 8% elastane blend creates a 4-way stretch fabric that moves with you rather than restricting your stride during a cast. I found the lightweight material incredibly effective at repelling water, meaning you aren't lugging around heavy, soggy fabric after a dip. The built-in UPF sun protection is a massive plus for long days on the water, and the elastic waistband with a drawstring ensures a secure, comfortable fit. Between the two front pockets and the zippered back pocket for securing valuables, these are built for actual utility in the wild.

Most swim trunks are designed to make you uncomfortable the moment you step out of the water, but the LUCOWEE design flips that script. Instead of the dreaded mesh netting that causes painful chafing, these shorts feature an innovative 3D-pouch compression liner with thousands of micro-holes for maximum airflow. The 4-way stretch fabric feels incredibly lightweight and moves with you, whether you are sprinting through the surf or deep squatting on the sand. I was particularly impressed by the practical details, like the sand-proof zippered pockets that actually fit a large smartphone and the clever back loop for hanging your shirt or towel. It is a rare find that combines eco-friendly recycled materials with high-performance utility like UPF 50+ protection.

Why settle for flimsy beachwear when you can have high-performance protection and style in one package? These Lands' End volley trunks are a standout choice for anyone spending long days by the water. The deep sea navy and gingham mix pattern offers a sharp, versatile look that transitions easily from surfing to lounging by the lake. I was particularly impressed by the UPF 50 sun protection, which provides the highest level of skin defense available. The 100% polyester fabric is lightweight and quick-drying, while the three-piece lining ensures you feel supported without sacrificing comfort. With an adjustable elastic waistband and drawcord, the fit feels custom and secure whether you are hitting the waves or relaxing in a hot tub.

You might assume a pair of neon lime swim trunks is just a loud fashion statement, but these Reebok Volley Horizon shorts are actually built for serious performance. I was impressed by how the 4-way stretch fabric moves with you, whether you are diving into a pool or hitting a high-intensity gym session. The microfiber material isn't just comfortable. It is chlorine resistant and dries incredibly fast, which is a lifesaver after a long day in the sun. Having UPF 50+ protection built right into the fabric adds a massive layer of security for outdoor activities. Plus, the zippered back pocket is a smart touch for keeping your essentials secure while you move. They fit true to size, making them a reliable choice for active swimmers.