Best S Mens Swim Trunks in 2026

100 percent polyester comfort technology quick dry microfiber with UPF 50+ rating

Available in men's and kids sizes infants through 20

2 side pockets

Feature: These boy swim trunks feature elastic waistband with drawstring and silky mesh lining. Two side pockets and one back pocket with nicely embroidered drainage.

High Quality: Made of 100% polyester, the smooth polyester fabric is lightweight, comfortable and quick dry. Sun-blocking fabric that provides UPF 50+ sun protection blocks almost all of the sun's harmful ultraviolet rays.

Style: The above the knee style is more convenient to play and run around anywhere all day long. We have cute fish bone swim trunks, pineapple swim trunks, flamingo swim trunks and dinosaur swim trunks, etc. Your boys will spend an entire day wearing these cute kids bathing suits with these unique patterns.

✔ RECYCLED 4-WAY STRETCHY FABRIC - Shell: 90% recycled polyester, 10% spandex.Durable swimming bottoms,light weight high-performance & water repellent for Quick-drying,with moisture-wicking features and a UPF 50+ finish to protect kids from the sun’s harmful ultraviolet rays.

✔ COMFORTABLE BOXER BRIEF LINER - Super soft smooth material for the built-in compression liner, but lining is not too tight,considering your kids need some give in the growing period.This swimming trunks will allow your boys to enjoy the beach,pool without chafing burn,comfortable & supportive.Also it's not only a bathing suit,but also a nice piece for playing,running,training,workout...

✔ FUNCTIONAL DRAWSTRING & METAL GROMMETS - These boys' swimsuits have real drawstring all around waist which can be tighten,kind elastic waistband offers a great, personal fit even for slim and husky boys,also help secure tightly when performing rigorous activities.Big boys Sizes 6-8 10-12 14-16 18-20 is a must have beachwear essential,including youth young men.

COMFORTABLE MATERIAL: 100% Polyester. Made out of 4-way stretch material. Comfortable and breathable swim trunks material lightweight, comfort, excellent ability of water repellent, quick dry, soft and UPF 50+, it will good for you dry from the swimming pool or surf.

MESH LINING: The board shorts with mesh lining swimwear. Soft mesh lining have maximum breath ability so when you underwater, your shorts don't balloon it. The swim trunks for men have 7 sizes: S/M/L/XL/2XL/3XL/4XL

POCKETS: The mens swim trunks have 2 slanted mesh pockets beside and 1 back flap velcro drain hole pocket on the back of shorts, so they won't get waterlogged prevent items from falling out at the worst moment.

Fabric---These mens swimming trunks are made of professional premium durable polyester fabrics match with water repellent technology dries fast, lightweight, soft and UPF 50+. Good construction for long time use.

Features---these fashion timeless 9" inseam length bathing suits hits the knee not only for swimming but also for casual daily and athletics, drawstring goes through the elastic waistband for freely adjustment to fit and fixed of your waist and suitable for all kinds of sports and plus the durable soft lining for extra support brings you comfort and secure effect all day long.

Pockets---2 slanted mesh pockets and 1 back cargo flap pocket with velcro and drain hole which could help accelerate water flowing down and achieve the effect of quick drying. Solid cargo swim trunks with 1 more cargo pockets at outer side thigh.

UPF 50+ quick dry microfiber: lightweight and durable for your most comfortable pair of swim trunks

Triple needle side seams and rises make Asbury Threadz swimming trunks and bathing suits among the highest quality you will own

Side seam pockets and cargo pockets as well as an inside coin/key pocket give plenty of options for storage

Fabric --- Knee-length swimming trunks made of professional and durable 4-way stretch polyester fabric, it is dry fast, light weight, soft silky touch, and UPF 50+ function. It is suitable for long-term wearing and feel comfortable without tightness.

Features --- New generation compression liner design. This luxurious liner is a lightweight, super-supporting, abrasion-resistant flat-angle inner lining, which can protect your skin from chafed, and to prevent the embarrassment of sticking to the skin when the swim trunks are soaked. Standard American size, 7 inch inseam, knee level length, traditional but stylish. Size:S Waist:28"~30", M Waist:32"~34", L Waist:36"~38", XL Waist:40"~42", XXL Waist：44”~46”.

Elastic waist belt with drawstring & Deep and large pockets --- Drawstring goes through the elastic waistband for freely adjustment to fit your waist, prevent swimming shorts from slipping down during strenuous exercises. 2 side mesh deep and large pockets can put mobile phone and wallet not easy to fall. And 1 back cargo flap pocket with velcro and drain hole, which could help water flowing down and achieve a quick-drying effect.

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.

☺Fashion Design: This boy's swim trunks features a comfortable elastic waistband and drawstring cord. Good fit, material and awesome print with kinds of patterns, Shark, Camo, Hawaii Tropical Pineapple, Stripes, Flamingo, Fish Bones, Milky Way, Galaxy, USA Flag and so on. Not fading material keeps pattern always new, fashion to wear it and popular by all kids. This playful wrinkle free and water resistant shorts will make your style come alive with its unique patterns.

☺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.

☺Length Above Knee: The length of this short boys board shorts is above the knee. Leg openings are using cutting technology. Carefully tailoring, smooth calm and neat car line can make the swimwear work better. At the same time, those stylish boardshorts just need be cold water washed or machine wash.

[Design]--- Mens swim trunks with mesh lining, not see- through, appr. 7 inch inseam,with 2 side pockets and 1 back pocket.

[Waterproof Outlayer]---The outlayer of this Mens swim shorts is designed with waterproof technology , it has high waterproof performance as beach shorts for men.

[Quick Dry Swim Trunks]---Our mens bathing suit get great quick dry function. Normally take 5 to 52 minutes to dry out.

2 in 1 designed with new generation compression liner short ,a super soft breathable material that offers a supportive fit and helps to reduce the risk of chafing and irritation during activities, and to prevent the embarrassment of sticking to the skin when the swim trunks are soaked, the compression shorts still UV protection will enhance your wearing experience.

Our swimwear made of quality material, outer shorts fabric is 4-way stretch fabric, compression liner shorts fabric is 90%polyester+10%spandex. All get great quick dry function, normally take 5 To 10 minutes, board shorts will dry already. The spandex content of the , compression lining is higher, so the elasticity is better, offer a lightweight, breathable, UPF 50+ and soft touch which more comfortable and move-freely.

The board shorts get 4 pockets,2 side mesh deep and large pockets, 1 back flap velcro drain hole pocket on the back of swimwear and 1 inner compression shorts pocket, they can storage small things like phone, keys, cards. And this mens bathing suit with elastic waistband constructed, internal draw strings for a personalized fit, easy to adjust and firm support.you can flexibly adjust your waistline to ensure your beach shorts won't slip off, allowing you to enjoy a better beach time.

A CLASSIC SUMMER STAPLE: A high-quality pair of swim trunks are a necessity for any men's wardrobe. Featuring an elastic waistband and drawstring closure, these swim shorts are both comfortable and stylish.

PREMIUM QUALITY: We use high-quality materials in all our clothing to ensure maximum comfort, longevity and lasting power.

SIZE GUIDE: Available in standard sizes Small to X-Large.

UPF 50+ - blocks 98% of UVA/UVB rays

FABRIC: Aqua Juno fabric is supple, smooth and soft with all the intelligent features of our ground-breaking Aqua Classic 4-way stretch fabric; Breathable, quick-dry UPF 50+ fabric is chlorine and saltwater resistant, making it just right for water play

FEATURES: Full length tight (30 inch inseam), elastic waistband and flatlock seams to prevent chafing; 3 snap loops to attach to the inside of our Men's Tech Swim Trunks; Machine wash, line dry; Imported

Mid-length watershort featuring drawstring waist, full mesh lining, and side cargo pockets with embroidered logo

Trademarked "vapor plus" fabric for quicker drying and long lasting durability

Constructed with UV Block the Burn UPF 50+ protective fabric

Rokka&Rolla mens swim trunks has mesh lining to provide breathable comfort when performing water-based sports activities

Remain stylish in our swimming beach shorts as it is finished with a soft peach fabric

These bathing suits for men have quick-drying microfibers to help you stay dry quickly when getting out of the water

🌈[2in1 boxer brief liner]: boys swim trunks with compression liner is soft and comfortable. You Won't Feel Tight. Prevents itching caused by sand,double layer no mesh prevents the outer fabric from rubbing against the skin and it likes the comfort of your second skin

🌈[Amazing Fit boys board shorts]: father son matching swim trunks, No matter how old the child—from age 2 to 16 years old—every child gets comfort and style with father son matching bathing suits swimwear, comfortable fit. Use the helpful sizing chart to find your child perfect fit

🌈[Elastic Waistband with Drawstring]: Drawstring can be used freely adjustable tightness according your child waist, Minimalism Design Bath Suit for Any Circumstance include beach,Sailing, Boating, Walking, Fishing,playing, swimming,Family Outing and So on

SUPER COOL BATHING SUIT: Made of lightweight fabric, soft, comfortable, UPF 50+, excellent water repellency, Keep your body dry and comfortable quickly

SWIMWEAR WITH ZIP POCKETS: Side zipper pockets ensure the safety of your valuables during workout, a back velcro pocket with drainage

SOLID COLOR SUMMER SHORTS :These classic solid-colored shorts reach to the knee, showing off an attractive figure and elegant taste,high-quality athletic swimwear are the best choice

DESIGN: These fishing shorts are made from durable & lightweight 92% Nylon/8% Elastane Blended 4-Way Stretch Material that provides maximum comfort and breathability. The nylon also provides natural UPF sun protection for you to spend more time outdoors

QUICK DRY: The non-clingy, lightweight, and breathable fabric repels water and dries fast to keep you comfortable and dry while fishing, swimming or your favorite outdoor adventures

VERSATILITY: These mens swim shorts are suitable for all outdoor activities - fishing, swimming, camping, going to the beach, hiking, exercising and casual wear

☀ ULTRACOOL NO CHAFE BOXER LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? LUCOWEE have a unique innovative Compression Boxer Liner to solve it. Our ULTRACOOL inner layer with extra room 3D-Pouch eliminating the need for underwear, resulting in no more wet jocks, no more chafing for all day wear. Specially, those 2.5 thousands holes per square foot in the lining will keep your goods as cool as you could imagine!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying and UPF 50+ to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of recycled materials, including plastic bottles and fishing nets. Our Lucowee swim shorts allow for full range of motion with minimal restriction so you can swim, walk, run and enjoy your day with a smile.

☀ REAL DRAWSTRING & ZIPPER POCKETS - These men's swimsuits have functional cording all around waist which can be tighten, elastic waistband offers a great personal fit. Our swim shorts have 2 side zipped sand proof pockets, good quality and durable for 30,000 times use about(3 summers), large enough to fit an plus size cellphone of 6.3", also are deep, roomy & zipper plus keep your valuables where they should be! Tha's a great bathing suit for men!

Quality Materials: Made from soft quick-drying fabric these mens swim trunks are a durable comfy and incredibly stylish take on swimwear. 100% polyester. Machine wash.

So Comfortable: You'll love the way these volley swim shorts for men feel. They have a comfy three-piece lining that provides support where you need it most and a full elastic waist with a drawcord.

Sun Smart Fabric: Staying safe on bright days is easy with these mens swim trunks. The lightweight material provides UPF 50 sun protection - the highest you can get - to protect your skin from burns.

Chlorine resistant, long lasting and fast drying fabric with Ultraviolet Protection Factor (UPF) 50+ that provides reliable sun protection.

Fast dry athletic 4 way stretch for full range of motion. Good for swimming, working out at the gym, or any activity.

Side pockets and back pocket with zipper provides plenty of room to store all your stuff.