Best Nylon Swim Trunks for Boys of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 9 Feb 2025

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Introducing a range of nylon swim trunks designed specifically for boys. These swim trunks are crafted from high-quality nylon material, providing durability and comfort during water activities. With a variety of vibrant colours and patterns to choose from, these swim trunks are sure to make a splash at the beach or pool. The quick-drying fabric ensures that boys can enjoy their swim without any discomfort. Whether they are learning to swim or simply having fun in the water, these nylon swim trunks are a must-have for any young swimmer.

At a Glance: Our Top Picks

Speedo Junior Boy's Quick Dry Watershorts Cover #TOP 1
Speedo Junior Boy's Quick Dry Watershorts
ftb score rating icon 9.9
Slazenger Junior Boys Black Swimming Trunks Cover #TOP 2
Slazenger Junior Boys Black Swimming Trunks
ftb score rating icon 9.8
adidas Boy's Performance Swim Boxers, 7-8 Years Cover #TOP 3
adidas Boy's Performance Swim Boxers, 7-8 Years
ftb score rating icon 9.6

Top 7 Nylon Swim Trunks for Boys

Speedo Junior Boy's Quick Dry Watershorts

8-12412
Lemon Drizzle
8-9 Years
Speedo Junior Boy's Quick Dry Watershorts Cover
Speedo Junior Boy's 13" Watershorts | Swim Shorts | Swimming Trunks | Quick Dry | Comfort | Chlorine Resistant, Lemon Drizzle, M

The Speedo Junior Watershorts are designed for comfort and practicality. With an adjustable fit featuring an elasticated waistband and external drawcord, you can ensure a secure and personalised fit. The side seam pockets come with water drainage, allowing you to store small items without worry. Made from lightweight fabric, these shorts offer a comfortable experience, perfect for active boys. Additionally, they are crafted from 100% recycled nylon, making them an eco-friendly choice for environmentally conscious consumers.

What We Like
Adjustable elasticated waistband
Side pockets with drainage
Lightweight and comfortable
Eco-friendly recycled materials
#TOP 2

Slazenger Junior Boys Black Swimming Trunks

unknown
Black
Slazenger Junior Boys Black Swimming Trunks Cover
Slazenger Kids Swimming Boxers Junior Boys Swimming Trunks Swimwear Swim Black 9-10 (MB)

The Slazenger Kids Swimming Boxers are designed with comfort and style in mind. The lined interior provides a soft feel against the skin, making them perfect for long days at the pool. An elasticated waistband ensures a secure fit, allowing you to move freely while swimming. The contrast side panels add a sporty touch, while the iconic Slazenger logo showcases quality. With a blend of 82% nylon and 18% elastane, these trunks offer flexibility and durability, perfect for energetic young swimmers.

What We Like
Comfortable lined interior
Secure elasticated waistband
Stylish contrast side panels
Durable nylon and elastane blend
#TOP 3

adidas Boy's Performance Swim Boxers, 7-8 Years

IEJ05
7-8 Years
adidas Boy's Performance Swim Boxers, 7-8 Years Cover
adidas Boy's Performance Big Bars Swim Boxers Kids, Bright Royal/White, 7-8 Years

The adidas Performance Swim Boxers are designed for boys aged 7 to 8 years. They feature an elastic waist with an inner drawcord, ensuring a secure and comfortable fit while swimming. Made from 78% recycled nylon and 22% elastane, these boxers are both eco-friendly and stretchy, allowing for ease of movement. The Infinitex Fitness Eco chlorine-resistant fabric helps maintain the swimwear's durability, making it ideal for regular use in pools. With a mid-rise design, these boxers provide a stylish and comfortable option for your young swimmer.

What We Like
Eco-friendly materials
Chlorine-resistant fabric
Comfortable elastic waist
Secure inner drawcord
Stylish mid-rise design

PythJooh Boys Cartoon Shark Dinosaur Swim Trunks

PythJooh
188B3XL
Sharks 2pack
8-9 Years
PythJooh Boys Cartoon Shark Dinosaur Swim Trunks Cover
PythJooh 2Pack Little Boys Swimming Trunks Kids Cartoon Shark Dinosaur Summer Beach Pool Swimming Shorts Swimwear for 1-9Years

The PythJooh Swim Trunks are perfect for little boys aged 1-9, featuring fun cartoon shark and dinosaur designs that will make your child look adorable and feel confident. Made from breathable and stretchable nylon with polyester fibre, these trunks ensure a comfortable fit for all-day wear at the beach or pool. With an adjustable drawstring, you can customise the fit to suit your child perfectly, allowing for a secure and comfortable experience during their summer adventures.

What We Like
Fun cartoon designs
Comfortable and breathable material
Adjustable drawstring for fitting
Perfect for summer activities
#TOP 5

adidas Boys' Colourblock Swim Boxer Shorts

EUJ37
9-10 Years
adidas Boys' Colourblock Swim Boxer Shorts Cover
adidas Boys' Colorblock 3-Stripes Swim Boxer, 9-10 Years

The adidas Swim Boxer Shorts are perfect for young swimmers aged 9-10 years. Designed for comfort, these shorts feature a drawcord-adjustable waist, allowing you to achieve the perfect fit. It's recommended to buy one size bigger for added comfort as your child grows. Made from 80% recycled nylon and 20% elastane, they offer a soft, stretchy feel that is ideal for swimming. The jersey lining adds extra comfort, ensuring your child enjoys their time in the water.

What We Like
Adjustable waist for perfect fit
Made from recycled materials
Soft and stretchy fabric
Comfortable jersey lining
Stylish colourblock design
#TOP 6

NautySaurs Cartoon Dinosaur Swim Trunks

Royal Blue-dinosaur
2 Years
NautySaurs Cartoon Dinosaur Swim Trunks Cover
NautySaurs Boys Swimming Trunks 2-12 Years Baby Boys' Swimwear Kids Swim Shorts with Cartoon Dinosaurs (2-3 Years, Royal Blue-Dinosaur)

The NautySaurs Swim Trunks are designed for boys aged 2-12 years, made from a stretchy blend of 82% nylon and 18% polyester. This material is soft and breathable, ensuring comfort during swimming or playing. The fun cartoon dinosaur design is appealing to kids, making swim time exciting. Additionally, the shorts feature a healthy inner lining for added comfort, while the hidden rope prevents slipping, giving you peace of mind that your child can enjoy their time in the water without any hassle.

What We Like
Soft and stretchy material
Fun cartoon designs
Comfortable inner lining
Hidden rope for secure fit
#TOP 7

NautySaurs Boys Shark and Crocodile Swim Trunks

Shark+crocodile
3-4 Years
NautySaurs Boys Shark and Crocodile Swim Trunks Cover
NautySaurs Boys Swim Trunks Toddler Swim Shorts Swimming Boxer Briefs, Shark+Crocodile, 3-4 Years

The NautySaurs Swim Trunks are designed for comfort and fun. Made from a blend of nylon, polyester, and spandex, these trunks are stretchy and breathable, ensuring that your little ones can enjoy their time in the water without feeling restricted. The cute cartoon shark and crocodile patterns are sure to delight your boys, making swim time more enjoyable. With an elastic closure and adjustable drawstring, you can easily find the perfect fit for your child, keeping them comfortable while they swim.

What We Like
Soft and comfortable material
Fun cartoon designs
Adjustable fit with drawstring
Stretchable for easy movement
Mesh lining for added protection
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is nylon or polyester better for swim trunks?

Nylon Swim Trunks Nylon absorbs more water than polyester, so it dries a little more slowly. However, it's slightly stretchier—making it an excellent option for water sports. When it comes to the look, polyester is more matte, while nylon has a shiny finish.

2. Why do boys swim trunks have mesh liners?

The main purposes of the mesh liner inside swim trunks are to prevent chafing by creating a barrier between sensitive areas of skin and the trunks; and to provide support to the genitals while swimming, by hugging them close to the body and keeping them out of harm's way during physical activity.

3. What is the difference between swim shorts and trunks?

The most important difference between board shorts and swim trunks is that board shorts are longer (coming down to the knee or below, depending on style & preference) and trunks are shorter (stopping above the knee).

4. Do all men's swim trunks have netting?

Not all swim trunks come equipped with netting. Board short-style swim trunks, which are cut closer to the body, typically do not. Try on swimwear to ensure a good fit; swim trunk netting that is too tight can cause pain in the groin and netting that is too loose provides little or no support.

Editor's Notes

During our nylon swim trunk for boys research, we found 116 nylon swim trunk for boys products and shortlisted 7 quality products. We collected and analyzed 7,219 customer reviews through our big data system to write the nylon swim trunks for boys list. We found that most customers choose nylon swim trunks for boys with an average price of £14.81.

The nylon swim trunks for boys are available for purchase. We have researched hundreds of brands and picked the top brands of nylon swim trunks for boys, including Speedo, Slazenger, adidas, PythJooh, NautySaurs.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.