Best Nylon Boys Swim Board Shorts in 2026

Quick Dry Shorts: The boys swim trunks made of polyester which is lightweight, comfortable, waterproof and quick dry; UPF 50+ which blocks 90% of the sun's harmful.

Kids Boys Swim Trunks Feature: The beach boardshorts with novelty pattern (Dinosaur; Galaxy Cats; Tacoa Cats; Rainbow Unicorn), Elasticized waistband with drawstring and two side pockets.

Suit for 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.

🐘 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

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.

100% Polyester

Officially licensed Marvel Avengers 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

100% Polyester

Officially licensed Marvel Avengers 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

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.

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.

🌴 【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.

Comfortable: Made of 93% Polyester & 7% Spandex, the smooth polyester fabric is lightweight, comfortable and quick dry. Comfy 4-way stretch fabric offers great mobility for kids while swimming or other beach activities.

Feature: These boys swim shorts feature elastic waistband with drawstring and silky mesh lining. Two front pockets with mesh interior and one back pocket with nicely embroidered grommet to let water drain.

Style: The above the knee style is more convenient to play and run around anywhere all day long. Your boys will spend an entire day wearing these cute boys swim trunks with these unique patterns.

HIGH-QUALITY MATERIAL: Our Boys Swim Trunks Shorts 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.

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!

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

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

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

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

Solid swim trunks with mesh lining, Keeps you cool and comfortable on hot summer day.

Elastic waist band inside adjustable drawstring, this swim shorts will fit boys from size 2T-7.

→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

&#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.

Comfy and Soft - Our big boys swim trunk made of 100% durably comfortable polyester. Lightweight and ultra comfortable. The inside of the shorts has a silky smooth mesh lining which offers all the extra support you need during any activity

Features - This boy's swim trunks features a comfortable elastic waistband and drawstring cord. You could adjust your waistline freely. Our boy shorts are known comfort to offer you a comfortable experience when you wearing these shorts

Style - The length of this short boys board shorts is above the knee. Bright colorful and fashion design, not fading material keeps pattern always new, fashion to wear it

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)

【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 .

【Protective & Supportive Liner】Anti-Chafe liner with large phone pocket that's soft and supportive for all day wear protects your private parts and thighs from sands better than traditional itchy mesh. The exceptionally lightweight material provides extra support without chafing and dry quickly for comfort.

【4-way Stretch & Quick-Dry】The upgraded liner is a Ultra-soft, Breathable and Anti-Chafing Swim Shorts protecting your thigh and your private thing. The stretch allows for exceptional flexibility. Sweat-wicking fabrics help dry quickly and stay cool.

【4 Secure Pockets】Men's swimwear trunks with liner have 2 spacious side zipper pockets to secure your belongings;1 hidden phone pocket on liner to keep hotel keys or ear plugs when swimming; 1 back pocket with drain hole provides extra storage space.

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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

🏖 MATERIAL: Made of 90% Polyester & 10% Spandex, safe for kids' sensitive skin and does not cause any irritation. vintage toddler swimsuit,swim suit 4t boys,euro trunks,swim trunks for boys 10-12,toddler boys brief swimsuit,floral swimming trunks,sunuva rash guard,sea turtle swim,boys swimming trunks size 7,boys swim trunks with goggles,orange swim trunks boys,pink gingham swimsuit,chubbies swim trunks boys,youth boy bathing suit,boys husky swim trunks,boys underarmour swim trunks,cars 3 swim

Recycled Material: The Boys' Compression swim trunks are made of 4-way stretch polyester fabric, waterproof, quick-drying, allows kids to move freely in the pool, beach, without restraint. Each piece of Swimming Short is made from 9 Recycled Plastic Bottles which can protect our earth.

Features: These boys' swim trunks are designed with compression liner which is lightweight, ultra-supportive and chaf-resistant, Designed with our super soft built-in boxer brief liner, these trunks can protect boys’ skin from chafed when having fun on the beach, also it can prevents sand from sticking to boys’ skin.

Drawstring design：the adjustable waistbands are more suitable for human body design no matter husky or slim, it ensures you comfort all day long.Side seam pockets give plenty of options for storage.

SIZE: 2T-XL. Suitable for people aged 3 to 14. Please check the size chart before placing an order and choose the product that suits you.

MATERIAL: The material of boy's beach summer swim trunks is mainly Polyester. Thin and breathable.

FEATURES: Boy's beach shorts, colorful print, drawstring, elastic waist, mesh lining, lightweight, easy to dry and clean, stylish and comfortable. A must-have item for summer leisure beaches.

Boxer brief liner: Boys swim trunks with compression liner, shorts underneath instead of mesh, comfortable and comfy. No mesh, No rubbing or irritation, No sand getting into the shorts

Material: Made of 90% recycled polyester, 10% spandex, Quick-dry, lightweight and durable, UPF 50+ which blocks 90% of the sun's harmful ultraviolet rays

Occasion: This swimming trunks will allow your boys to enjoy the beach, pool without chafing burn, comfortable & supportive. Also it's not only a swim shorts, but also a nice piece for walking, playing, running, training, drifting, workout, lounging at home

🌞Quick Dry & Mesh Lining🌞Comfortable and breathable is very important for swim trunks. So we chose premium polyster fabric to make this boys swim trunk, which is quick dry and soft. And the quality mesh lining make this beach shorts more breathable and friendly to kids skin.

Baseball Fire

🌞Pratical & Cute🌞 We design this little boys swim trunk with very adorable patterns, which makes your kids look more cute and energetic. There are two side pockets to help your children storage their little things, which is very pratical.

Comfortable: Boys beach shorts are made of 100% polyester. 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.

Elastic Waistband with Drawstring: This boy's swim shorts feature an elastic waistband with drawstring closure and two side pockets for convenient storage. Your boy could easily feel how great it is when they wear these swim trunks. Arc design on leg opening gives your legs more space and comfortable feeling during the activites.

Style: This playful wrinkle free beach shorts are short and above the knee. It's more convenient to play and run around anywhere all day long. These boys swimming trunks features pineapple, coconut tree, penguin, plumeria, shark, fishbone prints. They will make your little boys' style come alive with its unique patterns.

The adorable high-quality Boys Swim Trunks is made of 88% polyester & 12% spandex, Which makes it buttery soft, quick dry. Comfortable and breathable lightweight skin-friendly but not see-through. Price is fair, machine wash dry.

Good quality and great looking.This boys rash chafe swim trunk features an elastic waistband has Good stretch and durability. these swim trunks are made of a comfortable material that dries quickly, providing a great experience for boys when they wear them.2 side pockets

The patterns are cute and adorable, the colors are bright and vivid! don't fade. Even after washing and drying they still look amazing.these wrinkle-free shorts have a playful design with unique patterns that will add life to your style. They are short and above the knee, giving them a fun and youthful look. Additionally, their wrinkle-free feature ensures they always look neat and tidy.

Size: 2T, 3T, 4T, 5, 6, 7, 8, 10, 12. The beach shorts are available in a total of 9 sizes to fit children from 3 to 12 years old. Please check the size chart before placing an order and choose the product that suits you.

Material: Polyester. Soft, lightweight and durable.

Feature: 2 side pockets, drawstring, elastic waist, mesh lining, lightweight, easy to dry and clean, stylish and comfortable.

❖❖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.