Best Iron Man Boys Swim Shorts Trunks in 2026

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

Side seam pockets and cargo pockets give plenty of options for storage

Available in men's sizes S-XXL and kids sizes 2T through 20 so dad's and kids can hit the beach as a team

Comfortable: Made of 100% polyester, UPF 50+ which blocks 90% of the sun's harmful ultraviolet rays. The smooth polyester fabric is lightweight, comfortable and quick dry. The silky smooth mesh lining offers all the extra support your boys need during any activity at the beach, pool, or if they are just lounging around. Your boys can spend an entire day wearing these cute shorts.

Good quality: This boys swim trunk features an elastic waistband with drawstring closure which is extremely durable and comfortable. Made of comfortable quick dry fabric, your boy could easily feel how great it is when they wear these swim trunks.

Occasion: These boys boardshorts are suitable to wear anywhere such as for walking, running, swimming, surfing, playing, drifting, in the beach or lounging at home etc.

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.

Water repellant

Quick drying

Color pop draw cord (8-20 only)

Officially licensed Disney Mickey Mouse toddler boys cute and stylish swimming shorts bottoms

All over print design; 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

Stylish kid's board shorts bathing suit with a comfortable fit and easy-to-dress design; youth fashion swimwear made from material that protects your child from the sun and is safe on skin

Featuring logo artwork on left leg with a pocket on right leg; sits at the knee

Encased elastic wastband with drawstring closure

UPF 50+ sun protection

Smooth, stretchy and quickly drying woven fabric keeps him comfy from surf to sand

Bold and bright designs give him a stand out look with the iconic One and Only logo print on the front leg, and 1 flap pocket in the back with a handy wax comb loop

Inner mesh lining keeps him covered and comfy

Officially licensed Marvel Avengers big boys cool and stylish short sleeve swim shirt top and cute and stylish swimming shorts bottoms

Screen print design featuring all his favorite Marvel Avenger superheroes including Black Panther, Black Widow, Captain America, Iron Man, Rocket Raccoon, The Amazing Spider-Man, and The Incredible Hulk

Pull on closure; Contrast raglan sleeves; Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time

Kids Pokemon Swim Shorts

Get ready to catch all the waves in these cool Pokemon swim trunks

The perfect bather for little Pokemon trainers, it features a cool design of Pikachu

100% Polyester

Officially licensed SUPER MARIO Nintendo 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

100% Polyester

Officially licensed Disney Pixar Cars toddler 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

Officially licensed Pokemon little boys cute and stylish swimming shorts bottoms

Featuring Charmander Ivysaur Pikachu Wartortle

Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time;

18 inch performance board short

Micro repel fabric

Supersuede fabric

Adjustable waistband

Back patch pocket

Quality bathing suit: Made from durable and machine washable polyester; high-quality fabric resists damage from chlorine and dries quickly; these boys swim shorts also provide UPF 50 sun protection

Design features: The elastic waistband on this boys swimsuit has lots of stretch; 7 inch inseam; drawstring can be tightened and loosened as needed; includes a faux fly and a comfortable mesh liner for extra support

Style options: Pair these kids swimshorts with a matching rash guards for boys to keep him safe from the sun; add a bucket hat and a body board; these swim trunks are also nice with a cotton tee

UPF 50+: Protect your boy from harmful UV rays and sunburn; board shorts offer protection against sunburn so he can play all day

WATERPROOF ZIPPER POCKET: Don't worry about losing anything while playing in your favorite swimsuit that's suitable for sports activities such as surfing, kayaking, swimming, wakeboarding, or running on a sandy beach

QUICK DRY: Material wicks moisture and dries fast after playing in the water to keep boys active, fresh, and comfortable while avoiding any rash during those hot months of summer

QUALITY MATERIALS: Made with a durable woven fabric that withstands your active lifestyle and outdoor adventures.

GROWING FIT: The pull-on design with an elastic waistband allows free movement and a growing fit.

EASY COMFORT: Designed with a regular fit for a comfortable and casual look.

Swim trunks: great to wear for pool days or a play day at the beach. This is a great addition to your kid's closet that is equally stylish and comfortable for all boys to wear in the warm days of spring and summer

Calvin Klein offers a great selection of solids, all over print & color blocked swim trunks, vibrant neon colors that pair to any boys tee shirts

Screen printed logo, drawstring closure

SWIM TRUNKS — The cutest swim trunks for beach days or hanging by the pool.

FABRIC — Made of 100% recycled polyester twill; lining made of 100% polyester mesh. UPF 50+ (the highest possible rating) blocks 98% of harmful rays!

DESIGN — Features pull-on elasticized waistband with functional drawstring, back patch pocket, side vents at hem and allover American stars and stripes print

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)

100% Polyester

Officially licensed Marvel Spider-Verse toddler boys cute and stylish swimming shorts bottoms

All over print design; 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

12” outseam boardshort with elastic waist

Signature Volcom circle patch

Back patch pocket with flap

SWIM TRUNKS — He's jumping off the diving board in these shark print swim trunks!

PRINT — Features allover shark print

FEATURES — 100% polyester satin, fully lined in polyester mesh, UPF 50+ sun protection, elastic waist with functional drawstring and back patch pocket

Huk: Uniting anglers through performance-engineered, technical gear designed to fuel your passion and pursuit no matter when, where or how you fish

Volley Swim Short is designed with mesh liner, mesh lined pockets. Quick dry material with stretch for all-day comfort

SUN PROTECTION: These fishing shorts protect your skin from the sun's harmful rays - Huk added the most advanced sun-blocking +30 UPF materials to their apparel to block both UVA and UVB rays

1 Side Cargo Pocket

POKEMON TWO PACK OF SWIMMING SHORTS FOR BOYS - The swimming trunks for children are the best way to splash around during holiday vacations, swimming on the beach or relaxing by the pool whilst staying comfortable in Pokemon style!

BATHING SHORTS AVAILABLE IN A VARIETY OF SIZES - The swim shorts come in sizes; 3-4 years, 5-6 years, 7-8 years, 9-10 years and 11-12 years. Offering a comfortable and regular boy's fit made for ultimate comfort.

FAST-DRYING POLYESTER SWIM BOTTOMS - The swimming outfit is made from fast-drying polyester with a mesh lining ensuring they are light and comfortable. Perfect for their holiday suitcase, the shorts have an elasticated waistband with a decorative drawstring for the perfect fit and style.

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.