Best S Boys Swim Trunks in 2026

QUICK DRY Pattern Hawaiian SWIM TRUNKS - 100% Polyester; Made of quick drying fabric, lightweight, comfort, excellent ability of water repellent ( Not waterproof ) . High quality print mens swim trunks, never fade, no peeling. Soft mesh lining allows for maximum breath ability so shorts don't balloon underwater. Youll be completely dry within minutes of emerging from the pool or surf.

ELASTIC WAISTBAND with DRAWSTRING - Our 7 inch swim shorts combined a comfortable elastic waistband with adjustable drawstring for a ultimate security. Your swim shorts will never sag or slip down when you swimming, beach surfing, running, ball sports, at home and etc.

FASHIONABLE & PRACTICAL SWIM SHORTS with POCKETS - If you're looking for a swimsuit / swimwear that's slim fit, above knee length this is the style you're looking for. Have two side pockets, plus a back velcro pocket with drainage so they wont get waterlogged prevent items from falling out at the worst moment. Give your summer wardrobe a trendy addition with these MaaMgic swim trunks for men.

QUICK DRY SWIM TRUNKS - 100% Polyester; Made of quick drying fabric, lightweight, comfort, excellent ability of water repellent ( Not waterproof ) . High quality print mens swim trunks, never fade, no peeling. Soft mesh lining allows for maximum breath ability so shorts don't balloon underwater. Youll be completely dry within minutes of emerging from the pool or surf.

ELASTIC WAISTBAND with DRAWSTRING - Our 7 inch swim shorts combined a comfortable elastic waistband with adjustable drawstring for a ultimate security. Your swim shorts will never sag or slip down when you swimming, beach surfing, running, ball sports, at home and etc.

FASHIONABLE & PRACTICAL SWIM SHORTS with POCKETS - If you're looking for a swimsuit / swimwear that's slim fit, above knee length this is the style you're looking for. Have two side pockets, plus a back velcro pocket with drainage so they wont get waterlogged prevent items from falling out at the worst moment. Give your summer wardrobe a trendy addition with these MaaMgic swim trunks for men.

ADORABLE DESIGN - Features the cutest prints and patterns for the perfect vacation ready look for your little guy.

COMFORTABLE FIT - The mesh lining and stretchy waistband ensures easy changing and comfort all day long.

DESIGNED IN USA—Designed by moms who believe in the beauty of quality products and superior customer service. High quality and darling design is the guiding principle behind RuggedButts.

☀ 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.

Boys Swim Trunks with UPF 50+: Lightweight, comfortable,waterproof and quick dry 4-way stretch fabric; UPF 50+ which blocks 98% of the sun’s harmful ultraviolet rays.

Boys Beach Shorts with Mesh Liner: You could adjust your waistline freely with elastic waist and drawstring. The mesh lining keeps the swim trunks from sticking to your skin when swimming and sweating.

Boys Swimsuit with Novelty Patterns: Inspired 3D prints with galaxy, smoke, cat, wolf, dinosaur, palm, flag, shark and so on. They will make your style come alive with its unique patterns.

OFFICIALLY LICENSED MARVEL AVENGERs: Toddler and Boys Avengers and Spider-Man Bathing Suit Trunks, Bringing you the very best of the Marvel universe so you can become a superhero

QUICK DRY: Marvel Avengers Superhero swim trunk material wicks moisture and dries fast after fun in the water to keep boys active, fresh, and comfortable; Wear this Spider-Man bathing suit to the beach, the pool, the lake, the river, the stream, the water park, to birthday parties, and more

AVENGERS STYLE: Choose between his favorite superheroes like Spider-Man, Captain America, The Hulk, and Iron Man; swim trunks little boys that will sure to bring a smile to your little boy

UPF 50+ Soft Fabric - This big boy's swim trunk is made of 100% durably comfortable polyester that kids love. Our new Sun protection fabric provides a UPF of 50+ which blocks out 98% of Sun's harmful rays.

Adjustable Waist - This boy's swim shorts comes with an adjustable waist and banded waistband. It will fit most boys from 8-20.

Three Pockets - There are 2 side pockets and one back pocket in this boy bathing swimsuits.

🐘 According to the buyer's feedback, the size is large, please choose a smaller size according to the actual situation. Thank you!

🐘 QUICK DRY --- Boy Shorts are made of water resistant polyester, water resistant technology dries quickly and protects against the elements

🐘 EXCELLENT SUN PROTECTION ---- Kid boy's board shorts Blocks Out Most of the sun's harmful UV radiation, protect kid's skin. Hand wash and machine wash

TFJH E's Original Swim Shorts, Bottoms ,Special for Swimming, Surfing , Boating,Beach and other water sports

Drawstring at waist band for secure fit

4-way stretch fabrics, lightweight, breathable and quick drying

Features: Elastic waistband, drawstring, two side pockets.

UV Protection: The boys swim trunks is made of 100% polyester which is fast-drying, soft and breathable. It can effectively resist UV rays and protect the kids skin.

Novelty patterns: 3D printing, lifelike and never fade. You will have a variety of options in here: ferocious dinosaurs, rave cats, scary skulls, laid-back beaches, etc.

☁☁ UPF 50+ Thin Fabric--Polyester and spandex, durable, soft, with better ability to discharge water/moisture, making the swim trunks lightweight and quick dry.

☁☁ Unique & Cool 3d Pattern Design--100% No fading,cracking.With popular elements and matching international colors, your son will be the center of attention in the beach/pool party, can help you bring lots of compliments.

☁☁ Fashion Printed Beach Shorts--Mesh Lining Inside, elastic waistband with adjustable drawstring, medium length, 2 side pockets give plenty of options for storage.

Swim shorts have an elastic waist, adjustable drawstring, inner mesh lining, UV 50

Kids sizing: 4/5, 6/7, 8, 10/12, 14/16

Sizing: 4/5 (shown as 4-5 years) and 6/7 (shown as 6-7 years)

【Comfortable】100%Polyester, the fabric is quick dry, lightweight, machine washable and won't fade. Sun-blocking fabric that provides UPF 50+ sun protection.

【Design】 Elastic waistband with fixed rubber-tip drawcord and silky mesh lining. Two front pockets with mesh interior and one back pocket with eyelet to let water drain.

【Pattern】 Surf cuz kids swim trunks offer you multiple patterns, including Ice cream, doughnuts, bananas, pineapples and other children's favorite foods ; Animal themed designs like dinosaur and sharks.

100% Polyester

Officially licensed Marvel Avengers little boys cute and stylish swimming shorts bottoms

Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined swim shorts; Drawstring closure; Elastic waist for better fit; Pull on closure

Comfortable: Made of 93% Polyester & 7% Spandex, the smooth polyester fabric is lightweight, comfortable and quick dry. Comfy 4-way stretch fabric offers great mobility for kids while swimming or other beach activities.

Feature: These boys swim shorts feature elastic waistband with drawstring and silky mesh lining. Two front pockets with mesh interior and one back pocket with nicely embroidered grommet to let water drain.

Style: The above the knee style is more convenient to play and run around anywhere all day long. Your boys will spend an entire day wearing these cute boys swim trunks with these unique patterns.

★ Quick Dry ★ 100% Polyester.This boys swim trunks omfortable elastic waist with drawstring for adjustable.

★ Pocket ★ This bathing suit has 2 pockets on side for convenient storage. And 1 back pocket with velcro.

★ Soft ★ Quick drying boys shorts with mesh brief inside provide you the max comfort.The soft, thin lining is better for a child's skin.

Material: 100% polyester, elastic at the waist, pockets on both sides, safe material, light and comfortable.

Design: The swim trunks are designed with an elastic waist and the drawstrings are tightened. Pockets on both sides for personal items such as cell phones, wallets and keys. The inside of the beach shorts has a silky smooth mesh lining. Safe, quick-drying fabric, free stretch and UPF30 + sun protection index can block harmful UV rays from the sun.

Comfort: A sleek polyester fabric that is lightweight and comfortable for boys' swim pants. You can provide the convenience and comfort you need at the beach, pool or any wandering. Quick dry beach board pants are perfect for you.

ELASTICATED WAISTBAND JURASSIC WORLD SWIMMING SHORTS FOR BOYS - Our super cool Jurassic World bathing trunks for children is the best way to splash around during holiday vacations, swimming on beach and pool days whilst staying comfortable in dinosaur style!

BATHING SHORTS AVAILABLE IN VARIETY OF SIZE - The Jurassic World Dinosaur swim shorts for kids comes in sizes; 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, and 11-12 years offering a comfortable and regular boys fit made for ultimate comfort, perfect for beachwear!

85% POLYESTER & 15% ELASTANE T REX SWIM SHORT BOTTOMS - The Jurassic World swimwear for boys is made from mixed materials for a light and very soft feel. Perfect for your holiday suitcase, the Jurassic World pool shorts have an elasticated waistband for the perfect fit!

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.

🌴 【MATERIAL】: Novel Swim Trunks for Boys 7-16 Years, made of quick-drying, lightweight, breathable and elastic 100% polyester fiber.

🌴 【DESIGN】: The Boys Swimming Shorts include convenient Pockets, comfortable Drawstrings and anti-stick Mesh Lining.

🌴 【PATTERN】: High-tech 3D Printing, Durable and Non-fading, funny printed styles include Dinosaurs, Skull, Bananas, Palm Trees, Camouflage, Stripes, Flags, etc.

Material --- This Boys swim trunks made of 100% polyester and 4 way stretch fabric,very smooth and comfortable for Children's body.Durable swimming shorts,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.

Features --- Swim Trunks Boys with compression liner design. Super soft smooth material for the built-in boxer brief lining, 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 sports shorts for playing,running,training,workout.

Elastic waistband drawstring --- This swim shorts for boys is drawstring design and elastic waistband, No mesh,anti-chafing,which can be adjusted to fit the waist freely to prevent this boy's swimwear from slipping off . 2 large deep mesh pockets on the sides can hold various small objects, which not easy to fall. The velcro tape back pocket could automatically close the pocket without manual control, which is more convenient and safe than the manual zipper and button pocket.

OFFICIALLY LICENSED NICKELODEON PAW PATROL: Toddler and Boys' Bathing Suit Trunks, Cute and fun merchandise of everyone's favorite cartoon characters right at your fingertips; For kids and the kid in you

QUICK DRY: Nickelodeon Paw Patrol swim trunk material wicks moisture and dries fast after fun in the water to keep toddlers and boys active, fresh, and comfortable; Wear this bathing suit to the beach, the pool, the lake, the river, the stream, the water park, to birthday parties, and more

PAW PATROL STYLE: Choose between his favorite pups in the Paw Patrol Squad like Chase, Marshall, Rubble, Skye, and Zuma; Swim trunks for boys that will sure to bring a smile to your little boy and toddler

Quality materials: Quick-drying and chlorine-resistant fabric makes these Boys Printed Volley Swim Trunks a winner! They're durable comfortable and totally cute. 100% polyester. Machine wash.

Safety comes first: These printed boys swim trunks are made from a rugged fabric that provides UPF 50 protection and blocks UV rays to keep him safe from burns when he's swimming and playing outside.

Superior comfort: The elastic waistband in these boys swimming shorts makes them easy to take on and off. They also have a faux fly and a functional drawstring along with a mesh liner for light support.

HIGH-QUALITY MATERIAL: Our Boys Swim Trunks Shorts are made of 100% Polyester high-quality fabrics. The comfortable and soft quick-drying fabric has four-way stretch and the UPF 50+ can block 98% of harmful UV rays.

SUITABLE OCCASIONS: Our Kids Swim Shorts have a variety of different pattern prints, suitable for all occasions, such as walking on the beach, running, swimming, surfing, playing, rafting, hanging out on the beach or at home, etc., are very suitable for your child. Buy these high-quality beach board shorts for your boys and girls!

COMFORTABLE DESIGN: Boys Swim trunks with a silky mesh lining, an adjustable waist and a drawstring closure are extremely durable and comfortable, providing all the extra support for your child when they are in the beach and swimming pool or for any activity.

Made of SPF/UPF 50+ fibers, machine washable

Comfortable fit: Elastic waistband with adjustable draw string, fix these swim shorts right in place

Soft material: Use ultra soft mesh lining, your boy can wear these swim trunks for whole day without chafing issue

This 7" inseam swim trunk is your next vacation swim essential featuring quick-dry fabric in a variety of patterns

Two on-seam side pockets, welt back pocket, and full elastic waistband with drawstring

Sport made better: we listen to customer feedback and fine-tune every detail to ensure quality, fit, and comfort

Ourlined swim trunks are quick-drying

With an elastic waistband & drawstring, they are easy to pull on and quick tie in place

Side and back pockets

Solid swim trunk with elastic waistband, side-seam pockets, and side cargo pockets

Inseam length- 7"

AWESOME POKEMON SWIMMING SHORTS FOR BOYS - Our super cool Pokémon Pikachu bathing trunks for children is the best way to splash around during holiday vacations, swimming on beach and pool days whilst staying comfortable in gamer style!

BATHING SHORTS AVAILABLE IN VARIETY OF SIZES - The Pokémon gamer swim shorts for kids comes in sizes; 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11 and 11-12 years offering a comfortable and regular boy fit made for ultimate comfort, perfect for beachwear!

100% POLYESTER PIKACHU SWIM SHORT BOTTOMS - The Pokémon swimwear for boys is made from polyester for a light and very soft feel. Perfect for your holiday suitcase, the gamer pool shorts have an adjustable drawstring waistband for the perfect fit!

UPF 50+ quick dry microfiber fabric, very comfortable, lightweight and durable.

Solid swim trunks with mesh lining, Keeps you cool and comfortable on hot summer day.

Elastic waist band inside adjustable drawstring, this swim shorts will fit boys from size 2T-7.