Best Flag Boys Swim Trunks in 2026

UPF 50+ Quick Dry Microfiber: Lightweight and durable for your most comfortable pair of boys swim trunks

Side Seam Pockets and Cargo Pockets give plenty of options for storage

Available in Mens Sizes S-XXL and Boys Sizes 2T through 20 so Dad's and Kids can hit the beach as a team

Fashion Design: This boy's swim trunks features a comfortable elastic waistband and drawstring cord, cute bright colorful all kinds of US Flag,Shark,dinosaur patterns, not fading material keeps pattern always new, fashion to wear it and popular by all kids,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

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 three-dimensional cutting technology. Carefully tailoring, smooth calm and neat car line can make the swimwear work better

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.

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.

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.

🌵 100% polyester,soft and comfortable.

🌵 Water repellent technology dries fast and resists fading.

🌵 Elastic waistband with adjustable drawstring,convenient two sides pocket.

【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.

【Classy and trendy designs】- Our boys bathing suits have over 30 new and classic designs and including camo swim trunks, American flag patriotic 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.

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.

❤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.

TSLA Surfista Waves Series design for all swimmers.

*** Washing Tip : Wash separately before wearing ***

[Materials] 100% Polyester fabric is for quick-drying and soft feel.

IDEAL SWIM SHORTS: SLOOSH Kids Swim Trunks compact with side pockets that would be a perfect kids storage. Our board shorts also have elastic waistbands with drawstring closure & quick dry features for long-lasting comfortability.

COOL DESIGN: Sloosh kids swim trunks offer you multiple choices of design, including Classic designs like multi-colored stripe, anchors, & USA flag; Tropical style design like pineapple, leaves, palms; Animal themed designs like flamingos, sharks. All these designs match perfectly with the summer "needs to swim" season.

HIGH QUALITY: Made from 100% high-quality smooth UPF 50+ polyester material, not only providing a lightweight comfortable feeling but also blocks the harmful ultraviolet rays. Kids could run, walk, swim, and more with comfort and ease. Our boy's beach shorts can accommodate machine washing and enable lasting uses.

🌈[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

Made with supersuede fabric for quick-dry

Elastic waistband

Back pocket

☺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.

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.

HIGH-QUALITY MATERIAL: Our Boys Quick Dry Swim Trunks 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.

COMFORTABLE DESIGN: Swim trunks have a silky mesh lining, an adjustable waist and a drawstring closure. They 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.

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!

100% Polyester

Imported<br>Elastic closure<br>Machine Wash& Hand Wash

Quick Dry :<br>Ligth Weigt and durable comfortable bos swim trunks.

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

Material:polyester,UPF 50+ which blocks 90% of the sun's harmful ultraviolet rays. This boys swim trunks with different pattern is quick dry,lightweight and durable

Adjustable Elastic waistband with drawstring closure and mesh lining(except the coconut pattern) This swimming trunks for boys is comfortable

Available in kids sizes from US 6-16. Boys quick dry swim trunk is machine washable(Easy Care)

✔ MULTISIZE FOR YOU TO CHOOSE : Parents hope that baby clothes have enough room to adapt to the rapid growth of their little baby. So we prepared different size for baby: 0-6 months, 6-12 months, 12-18 months, 18-24 months, 2-3T. In order to choose the good size for your little babies, please check the measurement chart on description before purchasing.

✔ PREMIUM COTTON MATERIAL : Crafted in soft 65% polyester + 35% spandex, durable and breathable, cozy feel of this baby swim trunk to keep little baby cool and comfy all spring & summer. Are you ready to wrap your little baby up in this cute swim shorts?

✔ UNIQUE DESIGN : Aalizzwell classic swimming shorts with different colors, elastic waistband (draw string just for decorated). Different style to choose, it looks especially cute! You will always find the style that suits your baby! Every detail is designed for the infants, giving baby free space to grow up.

🌴IDEAL MEN SWIMMING TRUNKS: The everyday broad shorts are constructed with 100% polyester, featuring a waistband, pocket, and mesh-lining; Classic bathing suits for every day at the beach, at the pool, at home or at the gym. mems swim trunks,mens swim trunks cool,spicy tuna swim trunks men,above knee swim trunks men,mens short swimming trunks,pink swim trunks men,swim trunks no mesh lining,swim trunks with boxer brief liner,swimming shorts men,mens swim trucks,miller lite swim trunks for men

🌴MACHINE WASHABLE: Our mens swimsuit is easy clean as they're thin and lightweight. It doesn't require harsh detergent to wash. You can wash the men swimsuit with your hands or throw it in the washing machine with some mild detergent and let it do the job. Then air dry or tumble dry in low heat for longer preservation. disney swim trunks men,light blue swim trunks men,chubbie swim trunks men,short bathing suit men,desolving swim,chubbies swim trunks 5.5 inseam,mens swim trunks 6 inch inseam

🌴QUICK DRY SWIM TRUNKS - Made of 100% polyester, the material famous for its quick drying feature. Moreover, it's lightweight, brings comfort, and has the excellent ability of water repellent (it's not waterproof, however). High quality print swim shorts men, never fade, no peeling. 7 inch swim trunks men,disolving swimshorts,swimingwear men,mens quick dry swim trunks,smim trunks,patrick star swim trunks men,men swimwear,ted baker swim shorts,mens bathing suits,big and tall swim trunks

&#12304Boys trunks Fabric&#12305 Polyester. Soft material, quality is great. Dry fast, cool, fits great, colors are vibrant and no fading to the sun.

&#12304Unique Design&#12305 Elastic waist with drawstrings, with mesh lining, three side pockets, all-over printing. Boys swim trunks come with a fully adjustable waist. The drawstring isn't just there for decoration. You can like your boys to grow into and use them for at least 2 summers.

&#12304Perfect Fit&#12305 Boys swimsuits are suitable for 7-14 years old. 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. Boy's swim trunks match with your rashguard swim top or a tank top. Have a good time in the summer.

☀ 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.

Comfort Fit: Elastic band and working drawstring can help adjust waist and provide better fit

Functional 4-Way Stretch Fabric: Soft, lightweight and quick dry fabric swimwear is prefect for hot summer

Friendly Mesh Lining: Built-in soft stretch mesh liner brief enhances comfort and provide protection for "little boys"

2 in 1 Boys Swim Trunks with Boxer Brief Liner - These boys swimming trunks are built-in compression lining to prevent from sticking to your skin when the shorts are soaked and give you more private protection

Quick Drying Fabric - Made of 90% polyester and 10% spandex material. Our boys swim shorts are featured with high-tech 3D all-over pattern printing, water repellent, quick-dry, breathable, lightweight and no fading. 4-way stretch compression boxer brief brings you a comfy wearing experience

Highlights of Our Boys Beach Trunks - This boys swimming short features two side & one back pockets for convenient storage. With an elastic waistband and an adjustable drawstring, you can adjust your waistline flexibly to make sure your swim shorts will not slip down, and then you can enjoy a better summer beach time

Material: The boys swim shorts are made of 90% polyester and 10% spandex with a silky smooth flat-angle compression lining. The smooth polyester fabric is lightweight, breathable and quick dry. Chafe-free boxer brief liner, more comfortable and supportive for all day wear helps protect boy’s private part more than ordinary triangular mesh lining.

Feature: Boys swim shorts are designed with elastic waistband and adjustable drawstring. 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: Boy's compression swim trunks with the latest design and unique printed pattern. The fashion style will be on full display with this cool and comfortably fit boy's swim trunks with tropical inspired prints. This boys swim trunks will make boy’s style come alive with its unique patterns.

☀ 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.

Elastic waistband

Featuring elasticized waistband with drawstring and a stretch boxer brief liner, this boys bathing suit provide optimal comfort, flexibility and support for your little one's active adventures. The bold and vibrant colors pay tribute to the American flag(The liner is also printed).

With one back pocket & two side pockets, this beach swimwear boardshorts offer a secure and convenient way to store essentials while your child enjoys the beach or pool.

This lightweight, quick-drying swimsuit captures the spirit of American patriotism with July 4th printing elements, perfect for showing off your child's love for their country during the national holiday.