Best Lined Boys Swim Trunks in 2025

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

Officially licensed Pokemon big boys cute and stylish swimming shorts bottoms

Action packed design features all-over print of your favorite Pokémon characters: Pikachu, Squirtle, and Bulbasaur

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

Paw Patrol toddler boys cute and stylish swim shorts swim trunk

Featuring your favorite Paw Crew cartoon characters with the iconic Paw Patrol logo on these breathable striped swimming shorts for kids

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

Disney Pixar Toy Story little boys cute and stylish swim shorts swim trunk

Featuring Sheriff Woody Space Ranger Buzz Lightyear Jessie and Hamm on this cool, striped boardshort style swimming trunks

Elastic waist for a better fit; Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined shorts; Faux drawstring

✔ 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.

Soft Mesh Lined; Elastic-drawstring waistband closure; 4-Way stretch performance fit that is durable with adjustable straps

UPF 50+ quick dry 4-way stretch microfiber provides excellent sun protection and durability to keep your boys active, comfortable, breathable and flexible in dry and wet conditions; The quick dry water-resistant fabric with super soft mesh lining also wicks moisture and dries quickly after playing in the water

Waterproof welded zip side pocket provides a safe option for storage; Reflective logo for a stylish beachwear look; This bathing suit features elasticized waistband with drawstring and contrast side stripes for comfort and adjustability

Classy and trendy designs: Our boys bathing suits have over 30 new and classic designs and including camo swim trunks, American flag boys swim trunks, dinosaur, and a range of solid colors including red, ocean blue or black. All-new designs include tropical flowers and fruits, ocean animals or trending stripes.

Made for Comfort: These boys swim trunks use triple layers, including mesh lining and ultra-soft, breathable and lightweight fabric to ensure your greatest comfort. Our extra thick drawstring not only looks stylish, but won’t easily loosen

Made to Perform: Our boys swimming trunks are made to last, so that your kid can enjoy the fun at the beach. We leave room at the crotch and thigh, while keeping your boy looking slim and fit. They’re quick-drying, too.

❤Material: The Boys' Compression Swim Trunks are made of polyester with a silky compression lining and are ultra-light, breathable, chaf-proof boxer briefs. Flat-angle lining, more comfortable than ordinary triangular mesh lining, covering private parts and preventing skin chafing.

❤ Features: Boys swim shorts are designed with the latest boxer briefs; waterproof, quick-drying, 4-way stretch polyester fabric; a elastic waistband with adjustable drawstring； double side pockets, one pocket lined in the boxer briefs， The side seam pockets adopt mesh fabric to facilitate water and sand drain quickly ，allows kids to move freely in the pool, beach, without restraint.

❤Design: kids Compression swimming trunks with the latest print design, gradient palm tree, gradient blue starry sky, gradient feather, Botanical Green, Geometry, Blue Grass, Miami teal, Bright Royal, make your child more bright in the beach , let your boy have more energy and enthusiasm.

Marvel Avengers little boys swimming shorts swimsuit

Artwork on red bathing suit features Black Panther graphic and logo; Artwork on green bathing suit features graphic of The Incredible Hulk and logo; Artwork on blue bathing suit features all of your favorite Avengers characters: Captain America, Iron Man, Hulk, Thor, Black Widow, Hawkeye, Black Panther and Falcon

Elastic waist for a better fit; Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined shorts; Functional drawstring closure

100% Polyester

Officially licensed Marvel Avengers 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; Pull on closure

This boys swim shorts are made of 90% upcycled plastic bottles,it will need about 10 upcycled plastic bottles to make one piece.We just want to protect our earth by this method.Everyone can contribute to the beauty of the earth.

It is the 1st generation innovative MILANKERR compression lined boy swim trunks.The different is we made a built in boxer underwear instead of classic mesh briefs,which is more stretch,more support.For the liner, the seam is away from the skin. It is sewn in a manner so the seam will not rub against skin - the seam is against the fabric of the outer short.

Based on the compression liner,you will fell not chafed,more support,more comfortable.This bathing suit is just like wearing underwear. It does not bunch up and doesn’t have to worry about chafing like the classic mesh liner. It holds "things" in place more comfortably and keeps them hidden away better than mesh.

Officially licensed Disney Mickey Mouse infant 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

100% Polyester

Officially licensed SUPER MARIO Nintendo 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; Pull on closure

100% Polyester

Officially licensed Minecraft 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; Pull on closure

Officially licensed Pokemon little boys cute and stylish swimming shorts bottoms

Blue/Red trunk features adorable artwork of Pikachu jumping with all-over print of the text "Pika!"; Blue trunk features design of Pikachu with the text "Pikachu" on the right side; Striped trunk features Pikachu and the iconic Pokeball

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

Rash Guard: 85% Polyester , 15% Spandex; Swim Trunks: 100% Polyester

Officially licensed Monster Jam Trucks big boys cool and stylish short sleeve swim shirt top and cute and stylish swimming shorts bottoms

Contrast raglan sleeves; 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 Harry Potter Warner Bros. big 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

Officially licensed Pinkfong Baby Shark 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; Soft and breathable material; 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

Officially licensed Star Wars The Mandalorian big boys cool and stylish short sleeve swim shirt top and cute and stylish swimming shorts bottoms

All over print design featuring Boba Fett's iconic mask and Grogu, also known as Baby Yoda, in his floating spaceship

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

100% Microfiber

Officially licensed SEGA Sonic the Hedgehog big 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

⚽ FABRIC: Boys' Compression Beach Shorts are made from quick drying, lightweight, breathable and stretchy 100% polyester that blocks 98% of harmful UV rays.

⚽ New Compression Short Liner Design: The Cozople Swim Trunks have a silky smooth stretch Compression Lining. It's a lightweight, ultra-supportive, chaf-resistant Boxer Brief Liner that provides breathability and support as your boy stretch. In addition to that, The Compression Liner Swim Shorts protects your skin from scratches and prevents sand from sticking to your skin.

⚽ FEATURES: Drawstring waist, double side pockets; high-tech 3D all-over pattern printing, durable and non-fading; unique and novel printing styles include stripes, Hawaiian leaves, pineapples, palm trees, flamingos, etc.

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

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

Officially licensed DC Comics Justice League toddler boys cool and stylish short sleeve swim shirt top and cute and stylish swimming shorts bottoms

Contrast raglan sleeves; Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; Mesh-lined swim shorts; 4 way stretch fabric for comfort and long-lasting fit; Drawstring closure; Elastic waist for better fit; Pull on closure

Stylish kid's rash guard shirt and 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

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.

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

🌴 FABRIC: New in 2022 boys compression swim trunks, the outer layer is made of skin-friendly 100% polyester, and the inner layer is made of quick-drying, breathable and super stretchy 100% nylon fabric. UPF50+ blocks 98% of harmful UV rays.

🌴 NEW COMPRESSION LINER DESIGN: The newly upgraded compression swim shorts feature a silky smooth, super stretchy compression lining. The inner layer is lightweight, ultra-supportive, chaf-resistant boxer brief that provides breathability and support as your boy stretch. It also protects your skin from chafe and prevents sand from sticking to your skin when the outer shorts get wet.

🌴 FEATURES: Drawstring waist, double side pockets, high-tech 3D all-over pattern printing , durable and non-fading, unique and novel printing styles include pineapple, banana, coconut, donut, flamingo, etc.

🌈[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

Lined swim trunks with Quick drying fabric

Elastic waistband with exterior drawtsring

Side and back pockets

[Updated Boy's Compression Swim Trunks] Silky smooth, lightweight and supportive flat-angle compression lining, which is more soft and comfortable than ordinary mesh lining. The lining won't be too tight, considering that your child will need some giving during the growing period.

[New Generation Compression Liner Design] Our boys swimming trunks are featured with durable, waterproof, quick-drying, not fading. Four-way stretch compression lined swim shorts protect your skin from scratches and prevent sand from sticking to your skin.

[Elasticized Waistband with Drawstring and Convenient Pockets] These bathing suits are designed with drawstring waist, two side pockets and one back Velcro pocket with drainage holes for easy storage.