Best S Boys Swim Trunks in 2026

American flag swim trunks in UPF 50+ quick-dry microfiber featuring contrast stitching and reverse stars-and-stripes panels

Mesh lining

Flap patch pocket at side

Officially licensed Marvel Comics Avengers big boys cute and stylish swimming shorts bottoms

All over print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined swim shorts; Drawstring closure; Faux fly; 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

Made with supersuede fabric for quick-dry

Elastic waistband

Back pocket

Made with supersuede fabric for quick-dry

Elastic waistband

Back pocket

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

Features an elastic waistband ,help adjustable waist durable,with drawstring closure to tie string tighter,extremel comfortable to fit

Made with quick dry, breathable and lightweight fabric with UPF 50+ which blocks the sun’s harmful and dry very quickly when out of the water

Design with cute,funny and unique patterns,combination colors for picking

These are the cutest, fashion-forward little boy shortie Euro style boy swim trunks! Picture perfect for the pool, beach, and spray park!

UPF 50+ UV sun protective fabric, blocking 98% of UVA and UVB cancer causing sun rays keeping sensitive little boy skin covered from the sun.

Soft, chlorine resistant fabric.

UPF 50+ SUN PROTECTION: These super cool swim trunk shorts are fabricated with UPF 50+ technology to help prevent sunburn and protect your boy's delicate skin

WATERPROOF ZIPPER POCKET: Don't worry about your boy losing anything while he's playing in his favorite swim suit; Suitable for sports activities such as surfing, kayaking, swimming, wakeboarding, or running on a sandy beach

QUICK DRY BOARD SHORTS: Swim trunk material wicks moisture and dries fast after fun in the water to keep boys active, fresh, and comfortable while preventing rashes

Genuine, Original, Authentic Disney Store

Toy Story 4 screen art, includes Forky and Woody

Elastic waistband, decorative string tie in front, and faux fly

SWIMWEAR FOR BOYS: Skin friendly fabric of these swim shorts for boys is perfect for your boy's delicate skin; Let your son enjoy the summer with our high-quality swim trunks; Perfect while having fun at the pool or beach, these lightweight, durable, and comfortable shorts will withstand all his summer adventures

QUICK DRY: Perfect boys' bathing suit for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort and irritation; This swim trunks multipack for little and big boys is a real summer must-have

BATHING SUIT TRUNKS: Featuring two pairs of quick-dry board shorts, this boys' swim trunks bundle is perfect for the beach, pool, and summer vacation; Multiple sizes, colors, and prints ensure you choose the right match for your son; Purchase several styles and stretch out your boy's summer wardrobe

Features an elastic waistband,help adjustable waist durable,with drawstring closure to tie string tighter,extremel comfortable to fit.

Made with quick dry,breathable and lightweight fabric with UPF 50+ which blocks the sun’s harmful and dry very quickly when out of the water.

Design with cute,funny and unique patterns,combination colors for picking,durable and hold up great in the washer and pool chlorine

Harry Bear loves making a big splash for fun in the sun!

Premium quality kids camouflage swim shorts

Super comfy mesh lined camo print swimming costume with two pockets

Jammer swimsuit trunks in slim fit, designed in vibrant colors and cool designs that provide great sun protection for little kids to big boys 2 to 14 years

EXCELLENT SUN PROTECTION: Swimwear fabrics are rated UPF 50+ and provide maximum UV sun protection by blocking 98% of UVA + UVB sun rays, wet or dry; similar rating as SPF for sunscreens. Our swim essentials ensure that covered areas don't need sunscreen.

SKIN SAFE. REEF SAFE: Tuga bathing suits are made from fabrics that are recommended for sensitive skin as well as the environment. Did you know that most sunscreens are not good for coral reefs? By wearing Tuga swimwear and reef-safe sunscreen on exposed areas, you’re helping to reduce your sunscreen footprint. We make skin safe and reef safe essential products!

Lined peached nylon swim trunks feature side snap pocket and twill tape ties at elastic waist. UPF 50+.

Care Instructions: TURN INSIDE OUT MACHINE WASH COLD WITH LIKE COLORS DO NOT BLEACH LINE DRY

UPF 50+ to protect your little one.

Genuine, Original, Authentic Disney Store

Spider-Man costume screen art and rubber Spider-Man mask logo applique

Elastic waistband, decorative string tie in front, and back pockets

☀ Compression Swim Trunks Feature:Anti-chafe no mesh lining,prevent rash and sand,good quality,UPF 50+ ,quick dry and easy to clean.

☀ Waterproof Bathing Suits Fabric:Face fabric 100% Polyester and lining 82% Nylon+18% Spandex.The outer layer is made of waterproof and quick-drying material, and the inner lining is made of the same material as the underwear, which not only ensures comfort but also effectively prevents skin from being scratched.

☀ 2 in 1 Swimwear Design:A variety of contrasting striped patterns and Hawaiian prints,a loose drawstring that adjusts the waist,Two side mesh pockets on the outer layer to prevent water and sand accumulation,and one side pocket on the inner lining for small items,such as children's water meters,cards,etc.

Genuine, Original, Authentic Disney Store

Allover Mickey Mouse tropical print

Elastic waistband, drawstring ties, and faux fly

Premium Safe Material - The boys swim trunks are made of polyester with a silky compression lining. Ultra-light, breathable, chaf-proof boxer briefs. This swimming trunks will allow your boys to enjoy the beach, pool without chafing burn,comfortable & supportive.

More Fashion Design - Designed with the latest boxer briefs. waterproof, quick-drying, 4-way stretch polyester fabric.UPF 50+ blocks 90% of the sun's harmful UV rays. A elastic waistband, Drawstring can be used freely adjustable tightness according waist. 2pcs side pockets with one pocket lined in the boxer briefs. The boys bathing suit ensure snug fitting while helping improve mobility.

Cool 3D Print Patterns - This kids compression swimming shorts has the latest patterns. Such as Gradient Blue, Geometric, Wave and Tie Dye, etc. Make your child more bright in the beach !

100% Polyester

Officially licensed Star Wars big 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

☺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.

Relaxed-fit toddler boys bathing suit includes a short-sleeve rashguard and swim trunks. Both swim pieces offer UPF 30+ protection

Short-sleeve rash guard for boys sports a mock neck and fun dinosaur graphic on the front

Tropical floral-printed swim trunks feature a covered elastic waistband with a functional drawcord. Faux fly and waist tie closure give the look of a board short

Boys Swim Trunks : 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.

GREAT 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.

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.

Genuine, Original, Authentic Disney Store

Allover vintage-style island print featuring Stitch

Elastic waistband, drawstring ties, faux fly, and side pockets at seam

❖❖MODERN STYLE & ULTRA LIGHTWEIGHT❖❖---These modern stylish boys swim shorts are designed with trendy elements and made with ultra light fabrics, only to bring your boys breathable and restraint-free feel, snug fitting and skin-friendly enough at any time.

❖❖QUICK DRY & SOFT MESH LINER INSIDE❖❖---Our premium boys board shorts all get the quick dry function, only takes short time to dry, keep your kids shorts dry and flexible all the time; Also, the soft smooth mesh liner inside prevents legs from chafing and rubbing and provides comfort.

❖❖BOYS SWIM SHORTS WITH DRAWSTRING❖❖---Elastic waistband along with drawstring design can help you adjust your tightness according to your boys waist freely and bring your boys maximum comfort. Rear pocket is for easy storage when they are on the beach.

2-piece set. Lined peached nylon swim trunks feature twill tape loop to hold included plastic infant/toddler sized sunglasses when not being worn. UPF 50+.

Care Instructions: TURN INSIDE OUT MACHINE WASH COLD WITH LIKE COLORS DO NOT BLEACH LINE DRY

UPF 50+ to protect your little one.

Quality materials: 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 these boys trunks has lots of stretch; drawstring can be tightened and loosened as needed; includes a faux fly and a comfortable mesh liner for extra support

Style options: Pair this kids swimsuit with a matching rash guards for boys to keep him safe from the sun; add flipflops and a hat to shade his face; these swim trunks are also nice with a cotton tee

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface

FEATURES: Quick-dry mesh brief liner, side seam pockets, and knee-length cut for extended coverage; Elasticized waistband with inner drawcord ties at center front; 7 3/4 inch inseam (small); Machine wash, tumble dry; Imported

Fabric: Fabric has no stretch, but it is very comfortable to wear everyday

Feature: Tropical Print, Tie Front, Shorts, Boho

Occasion: Suitable for vacations, swimming, water pack, surfing, bathing, pool, beach, etc.

★ Material: Made of high quality polyester and Spendax, quick dry, lightweight, stretchy, soft and breathable

★ Features: This boy boardshorts is suitable for swimming, training, basketball, sports, fitness, surfing, playing, rafting, resting on the beach or at home

★ Designs: Printed with shark, American flag, animals, camouflage, wolf, leopard, cow, cats, dinosaur dragon, tropical palm trees, fish, flower, galaxy, hawaiian, pineapple, rainbow tie dye etc

The Children'S Beach Shorts Are Available In A Variety Of Sizes. Please Refer To Figure For The Specific Data Of The Size.

The Fabric Is Soft And Comfortable, Quick-Drying, Light And Durable

Two Side Pockets, Adjustable Straps, Elastic Waistband