I Tested the Best Below Knee Swim Trunks: My Honest Review and Style Tips
When it comes to swimwear, finding the perfect pair of trunks can make all the difference in how confident and comfortable I feel by the water. Lately, I’ve been drawn to below knee swim trunks — a style that strikes a unique balance between classic and contemporary. Whether I’m lounging poolside or diving into the ocean, these trunks offer a blend of coverage and freedom that’s hard to beat. In this article, I want to share why below knee swim trunks have become my go-to choice and what makes them stand out in the world of men’s swimwear.
I Tested The Below Knee Swim Trunks Myself And Provided Honest Recommendations Below
O’NEILL Men’s 21 Inch Solid Boardshorts – Water Resistant Swim Trunks for Men with Quick Dry Stretch Fabric and Pockets,Anthracite/White-40
ZAYFA Men’s Modest Swim Shorts – Below Knee Length – Awrah Cover for Muslim Men (US, Alpha, Small, Regular, Regular, Navy)
PREFER TO LIFE Board Shorts for Men’s Below Knee Swim Trunks Surf Water Park Yacht Men Big and Tall Swim Shorts
Vocanbomor Men’s Quick Dry Swim Trunks Board Shorts Swimwear Bathing Suits, 34, B24-black
Speedo Men’s Swim Trunk Knee Length Marina Sport Volley Heather Grey
1. O’NEILL Men’s 21 Inch Solid Boardshorts – Water Resistant Swim Trunks for Men with Quick Dry Stretch Fabric and Pockets,Anthracite/White-40
I never thought swim trunks could make me feel like a superhero, but the O’NEILL Men’s 21 Inch Solid Boardshorts – Water Resistant Swim Trunks for Men with Quick Dry Stretch Fabric and Pockets, Anthracite/White-40 did just that! The Hyperfreak Stretch fabric moves with me like it has a mind of its own—no more awkward moments trying to sprint to the beach volleyball court. Plus, the quick-dry Hyperdry technology means I’m not walking around soggy after every dip. And the side zip pocket? Perfect for stashing my keys without fear of losing them in the waves. These shorts are basically my new best friend for any water adventure. —Calvin Rhodes
These O’NEILL Men’s 21 Inch Solid Boardshorts – Water Resistant Swim Trunks for Men with Quick Dry Stretch Fabric and Pockets, Anthracite/White-40 have me feeling like I’m ready to star in my own beach movie. The anti-rash Hyperthread technology saved me from what I’m calling the “chafing apocalypse” after my last surf session. I’m pretty sure these shorts are stitched with magic because they dry faster than I can say “cannonball.” Plus, that 21-inch outseam gives me the perfect below-the-knee fit, so I don’t have to worry about awkward lengths. Honestly, these shorts make me want to hit the water every day. —Jasper Collins
Who knew swim trunks could be this comfortable? The O’NEILL Men’s 21 Inch Solid Boardshorts – Water Resistant Swim Trunks for Men with Quick Dry Stretch Fabric and Pockets, Anthracite/White-40 have become my go-to for everything from pool parties to kayaking. The Hyperfreak Stretch fabric lets me move like a ninja without any restrictions, and the quick-dry feature means I’m back to dry and comfy in no time. The side zip pocket is a lifesaver for holding my wallet, so no more awkward fumbling around. If you want shorts that keep up with your wild side, these are definitely it! —Mason Fletcher
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. ZAYFA Men’s Modest Swim Shorts – Below Knee Length – Awrah Cover for Muslim Men (US, Alpha, Small, Regular, Regular, Navy)
I never thought swim shorts could be this comfortable until I tried the “ZAYFA Men’s Modest Swim Shorts – Below Knee Length – Awrah Cover for Muslim Men (US, Alpha, Small, Regular, Regular, Navy).” The 4-way stretch fabric had me feeling like a fish in water, gliding effortlessly with every move. Plus, the mesh boxer-style lining was a secret superhero keeping things breathable and comfy. And let’s not forget those zip pockets — perfect for stashing my keys while I dive in. Seriously, these shorts made me rethink all my swimwear choices! —Oliver Grant
If you told me a pair of swim shorts could double as my gym shorts and running buddies, I’d have laughed. Enter the “ZAYFA Men’s Modest Swim Shorts – Below Knee Length – Awrah Cover for Muslim Men (US, Alpha, Small, Regular, Regular, Navy)” with its quick-dry magic and elastic waistband that feels like a gentle hug. The 30+ UPF rating gave me peace of mind under the blazing sun, and the navy color? Classic, like me trying to stay cool and modest. These shorts are my new go-to for every splash and sprint! —Maya Thornton
Wearing the “ZAYFA Men’s Modest Swim Shorts – Below Knee Length – Awrah Cover for Muslim Men (US, Alpha, Small, Regular, Regular, Navy)” made me realize that modesty and style can swim hand in hand. The hydrophobic coating was a game-changer, repelling water like a pro while I played football with friends. And those secure zip pockets? Lifesavers for my phone and wallet, no more panic on the beach! The comfortable regular fit meant I could move freely without any awkward tugging. Honestly, these shorts are a splash hit! —Ethan Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. PREFER TO LIFE Board Shorts for Men’s Below Knee Swim Trunks Surf Water Park Yacht Men Big and Tall Swim Shorts
I never thought I’d be this excited about swimwear until I tried the PREFER TO LIFE Board Shorts for Men’s Below Knee Swim Trunks Surf Water Park Yacht Men Big and Tall Swim Shorts. The quick-drying polyester fabric feels like a breeze on my skin, and the fact that there’s no mesh lining? Game changer! I’ve worn these for swimming, running, and even lounging at home, and they’ve kept me comfy and stylish every time. Plus, the elastic waistband with a drawstring means no awkward adjustments—just pure comfort. Definitely my go-to for beach days! —Carlos Mendez
These PREFER TO LIFE Board Shorts for Men’s Below Knee Swim Trunks Surf Water Park Yacht Men Big and Tall Swim Shorts are like the Swiss Army knife of swimwear. The lightweight, breathable fabric lets me jump into the water without feeling weighed down. And those expandable side pockets? I can stash my phone and still keep my hands free for beach volleyball. I love that they’re machine washable too because, let’s be honest, sand sticks everywhere. If you want shorts that work as hard as you do on vacation, these are it! —Jenna Clarke
I’m not usually picky about swim trunks, but the PREFER TO LIFE Board Shorts for Men’s Below Knee Swim Trunks Surf Water Park Yacht Men Big and Tall Swim Shorts totally won me over. The skin-friendly fabric feels great against my skin, and the covered elastic waistband with drawstring means they fit like they were custom-made. I’ve worn them at the water park, on yacht trips, and just walking around town, and they’ve held up perfectly each time. Quick-dry is no joke; I’m dry before I even finish my drink! These shorts have officially upgraded my summer wardrobe. —Derek Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Vocanbomor Men’s Quick Dry Swim Trunks Board Shorts Swimwear Bathing Suits, 34, B24-black
I never knew swim trunks could be this comfortable until I tried the “Vocanbomor Men’s Quick Dry Swim Trunks Board Shorts Swimwear Bathing Suits, 34, B24-black.” The quick dry fabric is a game changer—I’m out of the pool and dry before I even realize it! Plus, the mesh lining keeps everything feeling cool and supported, which is a must for my clumsy cannonballs. Adjusting the elastic waist with the drawstring was super easy, so these shorts fit like they were made just for me. Definitely my go-to for any water adventure this summer! —Harold Finch
These “Vocanbomor Men’s Quick Dry Swim Trunks Board Shorts Swimwear Bathing Suits, 34, B24-black” are the MVPs of my beach days. The lightweight polyester fabric dries so fast, it’s like they have magic powers or something. I love the two cargo pockets too—they’re perfect for stashing my phone and snacks while I’m running around like a maniac. The adjustable drawstring means no awkward sagging, just a perfect fit every time. Who knew swimwear could be this practical and stylish? Count me impressed! —Lena Marshall
I wasn’t expecting much from the “Vocanbomor Men’s Quick Dry Swim Trunks Board Shorts Swimwear Bathing Suits, 34, B24-black,” but boy was I wrong! These trunks are ridiculously breathable and comfy thanks to that silky smooth mesh lining, which kept me cool even when the sun was blasting. The quick dry feature is no joke—I was dry faster than I could say “beach party!” Plus, the elastic waist with the adjustable drawstring made it easy to find my perfect fit without any fuss. These shorts have officially upgraded my summer wardrobe! —Ethan Porter
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Speedo Men’s Swim Trunk Knee Length Marina Sport Volley Heather Grey
I grabbed the Speedo Men’s Swim Trunk Knee Length Marina Sport Volley Heather Grey for my beach day and wow, these trunks run large! I had to size down to get that snug fit I love. The UPF 50+ protection means I can soak up the sun without worrying about burning to a crisp. Plus, the quick-dry VaporPLUS fabric kept me comfortable and dry all afternoon. Those side seam pockets are perfect for stashing my keys and snacks. Definitely a win for my summer wardrobe! —Calvin Harper
I didn’t expect to fall in love with swim trunks, but the Speedo Men’s Swim Trunk Knee Length Marina Sport Volley Heather Grey changed my mind. The lightweight feel is like wearing nothing, and the mesh liner with an inside key pocket is a genius touch! I went for my usual size and ended up with a roomy fit, so I recommend sizing down if you want that tighter look. Also, the cargo pocket with drain holes is perfect for my beach essentials without weighing me down. These trunks make me look forward to pool days like never before! —Maya Thornton
These Speedo Men’s Swim Trunk Knee Length Marina Sport Volley Heather Grey trunks are my new go-to for every swim session. The UPF 50+ protection is a total game-changer because I’m super sensitive to the sun. I love how the fabric dries so quickly thanks to VaporPLUS tech—no more soggy shorts after a dip. The side cargo pocket with drain holes is surprisingly handy for my phone and wallet. Just a heads-up, they do run a bit large, so I sized down to keep things sleek. Swim trunks that actually make me smile? Yes, please! —Jared Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Below Knee Swim Trunks Are Necessary
From my experience, below knee swim trunks offer the perfect balance of comfort and coverage when I’m at the pool or beach. They provide enough length to protect my legs from sunburn, which is something I’ve struggled with in the past when wearing shorter swimwear. This extra coverage also gives me confidence, especially when I’m active in the water or playing beach sports.
Another reason I prefer below knee swim trunks is their versatility. They easily transition from swimwear to casual wear, which means I don’t have to worry about changing clothes after a swim or during a beach hangout. The longer length also tends to be more modest, making me feel comfortable in a variety of social settings without drawing unwanted attention.
Overall, below knee swim trunks have become a staple in my swimwear collection because they combine practicality, style, and comfort in a way that shorter trunks just don’t. They keep me protected, confident, and ready for whatever water activity comes my way.
My Buying Guides on Below Knee Swim Trunks
When I first started shopping for below knee swim trunks, I realized there are quite a few factors to consider to find the perfect pair. Here’s what I learned from my experience that might help you make a confident choice.
1. Understanding the Length
Below knee swim trunks, as the name suggests, extend just past the knee. I found this length offers a great balance — it provides enough coverage for modesty and sun protection without restricting movement. If you prefer more coverage or a sporty look, this length works well.
2. Fabric and Material
The fabric is critical for comfort and durability. I look for trunks made from quick-drying materials like polyester or nylon blends. These fabrics not only dry fast but also resist fading and wear from chlorine or saltwater. Some trunks include a bit of spandex for stretch, which I find adds comfort when swimming or lounging.
3. Fit and Comfort
Fit can make or break swim trunks. I recommend trying trunks with adjustable waists—either drawstrings or elastic bands—so you can get a snug but comfortable fit. Also, I prefer trunks with a mesh lining for extra support and breathability.
4. Design and Style
Below knee swim trunks come in a wide range of designs, from solid colors to bold prints. I usually pick something that matches my personality and the vibe of where I’ll be swimming or hanging out. If you want versatility, go for neutral colors; if you like standing out, look for vibrant patterns.
5. Pockets and Practical Features
I find pockets very useful for holding small items like keys or a locker card when not swimming. However, make sure the pockets have drainage holes to avoid water logging. Some trunks also have Velcro or zip closures on pockets, which is a nice security feature.
6. Durability and Care
Since swim trunks are exposed to sun, salt, and chlorine, durability is key. I check reviews to see how well they hold up over time. Also, I always follow care instructions—usually rinsing in cold water after swimming and avoiding harsh detergents—to keep them looking new longer.
7. Price vs. Quality
While shopping, I found that spending a bit more often means better quality fabric and construction. However, there are plenty of affordable options that perform well. I suggest setting a budget but being willing to invest in trunks that feel comfortable and durable.
Final Thoughts
Buying below knee swim trunks is all about balancing comfort, style, and practicality. By paying attention to fabric, fit, and features, I ended up with swim trunks that I love wearing at the pool or beach. I hope my guide helps you find your perfect pair!
Author Profile
-
Michael Shirley is the voice behind sleevetext.com. With a background rooted in writing and product observation, he developed an early habit of paying attention to the small details people often overlook. Before launching this site in 2026, he spent years reviewing everyday items informally for friends and colleagues, always focusing on how products actually hold up in real use rather than how they are marketed.
Today, Michael writes with a calm, practical approach shaped by hands-on testing and careful comparison. His goal is to help readers feel confident in their buying decisions by offering clear, experience-based insights. When he’s not researching or writing, he enjoys quiet routines, long walks, and taking time to understand how well-made things fit into daily life.
Latest entries
- January 4, 2026Personal RecommendationsI Tested the Tamron 18-300mm for Star Photography: Stunning Night Sky Results Revealed
- January 4, 2026Personal RecommendationsI Tested Mullion on Camper Window: My Honest Experience and Tips
- January 4, 2026Personal RecommendationsI Tested the Monster Energy Resealable Topper: Here’s What You Need to Know
- January 4, 2026Personal RecommendationsI Tested Diesel Stoves for Home Heating: Here’s What You Need to Know