Best Nylon Boys Swim Board Shorts in 2026

UPF 50 plus 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

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.

🐘 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

✔ 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.

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.

&#12304 Boys Swim Trunks &#12305 This boys swim trunks are made of breathable soft quick dry material, High quality, dry fast, cool, colors are vibrant and no fading to the sun.

&#12304UPF50+ Sun Protection&#12305 Boys Swimsuits have excellent sun protection, block out most of the harmful UV Radiation. Friendly for your kid's Skin.

&#12304Elastic Waist with Drawstrings&#12305 This playful wrinkle free shorts are short and above the knee. Elastic waist with drawstrings, with mesh lining, two side pockets,lightweight and comfortable. The drawstring isn't just there for decoration.

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.

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

Fashionable tropical inspired prints, Interior comfort brief mesh lining.

Elastic waistband inside adjustable drawstring, these swim trunks will fit most boys from 8-20.

🌴 【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.

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

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

✔ 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.

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!

→7.9-8.9" inseam, 16.5-18.7" outseam.Mesh lining:Soft & comfortable.【The price of boys swim trunks is $19.99 for one piece and $29.99 for two pieces. The purchase of 2-piece package is more favorable. When placing an order, please select the color classification of 2-piece package.】

→Soft and comfortable:The boardshort's flatlock seams add softness and protection without skin chafing and irritation. It will fit most boys from 7-13 years

→Quick dry fabric:Our brand boy's bathing suits or swim trunks all get great quick dry function. normally take 5 to 10 minutes, shorts will dry already.lightweight and durable for your boy most comfortable pair of swim trunks.quality material that will withstand all your boy's summer adventures

OFFICIALLY LICENSED BIG CHILL: Boys’ 2 Pack Swim Suit Trunks; From frigid temperatures to the heat of the tropics, Big Chill has your entire family covered no matter where the vacation takes you

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 without worrying about sunburn 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; Reliable UV protection for your boy, so you both can enjoy your day worry-free; These swim trunks for little and big boys are a real summer must-have

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

&#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.

[SKIN-FRIENDLY] UPF 50+ Comfortable and soft fabric nice for kids' delicate skin. Quick dry design let to help keep dry for your body.

[FIT PERFECT] Kids' beach swim shorts are regular design and slim cut. And the extra mesh lining can keeps the swim trunks from sticking to your body when they get wet.

[POSH-LOOKING] Elastic rib belt with drawstring which is ornamental design for kids' safety. And the various contrast color waistband add to the gaiety and life of the summer holiday.

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 without worrying about sunburn 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; Reliable UV protection for your boy, so you both can enjoy your day worry-free; These swim trunks for little and big boys are a real summer must-have

BATHING SUIT TRUNKS: Our high-quality quick-dry board shorts for boys are 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

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)

☀ 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.

Material: Polyester, soft and comfortable toddler baby boy beach shorts swim pants, quick dry and smooth feel, it will keep your baby breathable all day in summer, wrinkle free and no harm to baby’s skin.

Design: Stylish baby boy swim trunks, tropical leaves and cartoon animals print, elastic waist design brings your baby a more comfortable wearing experience. Hawaiian style swim shorts will make your little boy very cool and attractive in this summer. We are sure he must love it!

Occasions: Cute toddler boys swim trunks kids board shorts are suitable to wear anywhere such as for walking, running, Hawaii, surfing, swimming, sunlight bath, playing, drifting, in the beach, vacation, photography and etc.

☀ 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.

【Material】OEKOTEX-100 Certified Fabric (free from harmful chemical residues) .Pure plant printing and dyeing,not fading material keeps pattern always new.Soft wrinkle-Free,super quick-drying,skin-friendly,smooth and lightweight.Outer is 100% nylon.

【Comfortable】The boys swim trunk features an elastic waistband with drawstring closure, outer nylon fabric is lightweight,inside is a silky smooth mesh lining which offers extra support during any activity on beach,give kids safe and relaxe feeling.

【Fashion Style】This unique swim trunk for boys is with refreshing green stripes print ,and the Nordic style beach pants will make your style come alive, whether you get it for the comfort or for fashion,your style will be on full displayed .

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.

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🏖GREAT QUALITY: This boy's swim trunk is super comfortable for kids with an elastic waistband with drawstring closure. Extremely durable snd stylish. Made with comfort technology quick dry fabric with 4-way stretch. Two front pockets with mesh interior and one back pocket. kids beach trunks, swim trunks for kids,toddler swim trunks 4t,black panther swim trunks for boys,baby boy swim shorts,boys swim trunks size 8 avengers,patagonia boys swim,toddler boys swim trunks,swim trunks cactus

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☀Fabric: This boys swim trunks 2-12T: Made of stretchy, waterproof polyester, the smooth polyester fabric is lightweight, comfortable and blocks 98% of harmful UV rays, giving your boy all the extra support he needs when he's at the beach, pool, or just hanging out.

☀Compression Short Design : Boys' swim trunks, designed with soft and smooth compression lining inside to protect the skin from sunburn or abrasion, the elastic and breathable design will not cause tightness and discomfort, so that your child can rest assured running on the beach. 4-way stretch fabric panel. These little boys swim trunks ensure snug fitting while helping improve mobility. Boys Beach shorts has Two large side pocket is designed for your child convenience.

☀Feature : These toddler swim trunks have a freely adjustable drawstring waist, double side and back pockets for everyday wear, waterproof technology for quick drying and excellent sun protection, durable and colorfast. Swimsuit boys' swimwear keep you dry and flexible workout, lightweight and durable, UPF 50+ blocks 90% of the sun's harmful UV.

»»»» PREMIUM FABRIC QUALITY «««« Made of high quality 100% polyester, our boys swim trunks’ fabrics are durable and soft for flexible movements with its great elasticity and durability.

»»»» PLAYFUL AND CAREFREE «««« Cute boys board shorts offer better coverage and comfort than other swimsuits along with its built-in sun protection by applying the UPF 50+ rated fabrics. Enjoy a playful and carefree vacation.

»»»» VIVIDLY DINOSAUR PRINTS «««« With the cute and fashion dinosaurs digital fade-resistant 3d prints, this boys swim trunks will let your boys explore and shine in the crowd freely for much more fun.

【Material】Boys swim trunk is made of 100% polyester, The smooth polyester fabric is lightweight, comfortable and quick dry.

【Style】Cute and casual style boys swim shorts have various colors and patterns, all using advanced 3D printing technology, and the prints are bright and vivid.

【Mesh Lining Design】The silky smooth mesh lining of our swimming trunk offers all the extra support for your boys during any activities at the beach, pool, or if they are just lounging around.