Best Lightweight Swim Trunks for Boys of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 9 Feb 2025

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These lightweight swim trunks are a must-have for boys who love spending time in the water. Made from a quick-drying fabric, these trunks are designed to provide comfort and freedom of movement. With their vibrant colours and fun patterns, they are sure to make a splash at the beach or pool. The elasticated waistband ensures a secure fit, while the mesh lining adds extra support. These swim trunks are perfect for young swimmers who want to enjoy their time in the water without feeling weighed down.

At a Glance: Our Top Picks

Pretty Attitude Boys Lightweight Swim Shorts Cover #TOP 1
Pretty Attitude Boys Lightweight Swim Shorts
ftb score rating icon 9.9
Speedo Junior Boy's Quick Dry Watershorts Cover #TOP 2
Speedo Junior Boy's Quick Dry Watershorts
ftb score rating icon 9.8
RIPT Boys Swim Shorts with SPF50 Protection Cover #TOP 3
RIPT Boys Swim Shorts with SPF50 Protection
ftb score rating icon 9.6

Top 10 Lightweight Swim Trunks for Boys

#TOP 1

Pretty Attitude Boys Lightweight Swim Shorts

Black
13 Years
Pretty Attitude Boys Lightweight Swim Shorts Cover
Pretty Attitude Boys Swim Shorts Kids Swimming Trunks Summer Holiday Plain School Underwear Boardshorts Lightweight Beach Shorts (as8, Age, 13_Years, Regular, Black)

The Pretty Attitude Swim Trunks are designed for comfort and performance. Featuring an elastic adjustable waistband, they ensure a snug fit while allowing for easy movement, perfect for active play. Made from lightweight and breathable 100% polyester, these shorts keep you cool during hot days at the beach. The quick-dry fabric means you can go from swimming to playing without feeling damp, making them ideal for summer holidays. Plus, they are machine washable, providing convenience for busy parents.

What We Like
Adjustable waistband for comfort
Lightweight and breathable fabric
Quick-drying for active use
Machine washable for easy care

Speedo Junior Boy's Quick Dry Watershorts

8-12412
Washed Blue
10-11 Years
Speedo Junior Boy's Quick Dry Watershorts Cover
Speedo Junior Boy's 13" Watershorts | Swim Shorts | Swimming Trunks | Quick Dry | Comfort | Chlorine Resistant, Washed Blue, L

The Speedo Junior Watershorts are designed for comfort and convenience. With an adjustable fit, the elasticated waistband and external drawcord ensure that you can secure them perfectly, allowing for free movement while swimming. The side seam pockets feature water drainage, meaning you won't be weighed down by excess water. Made from lightweight fabric, these shorts offer a comfortable fit that keeps you cool. Additionally, they are crafted in part from 100% recycled nylon, making them an eco-friendly choice for young swimmers.

What We Like
Adjustable waistband for comfort
Water drainage pockets
Lightweight and comfortable
Eco-friendly materials
#TOP 3

RIPT Boys Swim Shorts with SPF50 Protection

RIPT
RCSHO772FR
11-12 Years
RIPT Boys Swim Shorts with SPF50 Protection Cover
RIPT Boys Swimming Shorts Red 11-12 Years

RIPT Boys Swim Shorts are designed for summer fun. Made from ultra-lightweight materials, these shorts dry quickly, ensuring your comfort whether you're swimming or relaxing by the pool. The elasticated waistband and 9cm inseam provide a flexible fit for all body types. With SPF50 sun protection, you can enjoy sunny days without worrying about harmful rays. Additionally, the practical side pockets allow you to carry small essentials while looking stylish.

What We Like
Quick-drying material
SPF50 sun protection
Elasticated waistband for comfort
Stylish design with pockets
Lightweight and flexible
#TOP 4

SERENYOU Boys' Fun Swim Shorts for Summer

Navy
13-14 Years
SERENYOU Boys' Fun Swim Shorts for Summer Cover
SERENYOU Kids' Beach Trunk Boys Boardshorts Lightweight Plain Swim Shorts Navy 13-14 Years

The SERENYOU Beach Trunks are designed to be both fun and functional for your child. The unique design features patterns that appear when splashed with water, adding an element of surprise to their swimwear. The stylish internal colour contrast at the waist not only enhances the look but also provides comfort. With an adjustable waistband, these shorts accommodate various body shapes, ensuring a perfect fit. The mesh lining and pockets offer practicality, allowing your little one to store small toys while enjoying their time at the beach or pool.

What We Like
Fun water-activated patterns
Adjustable waistband for comfort
Multiple pockets for storage
Stylish design for kids

Indigo Soul Boys Lightweight Swim Shorts

Wine
9-10 Years
Indigo Soul Boys Lightweight Swim Shorts Cover
Indigo Soul Boys Swim Shorts Kids Swimming Trunks Summer Holiday Plain School Underwear Boardshorts Lightweight Beach Shorts (Wine, 9-10 Years)

The Indigo Soul Swim Shorts are designed with comfort in mind, featuring an elastic adjustable waistband that allows you to find the perfect fit. Made from quick-dry fabric, these shorts are lightweight and breathable, ensuring you stay comfortable during your swimming activities. They are also machine washable, making them easy to care for after a day at the beach or pool. Be sure to consult the size chart before ordering to ensure the best fit for your child.

What We Like
Comfortable adjustable waistband
Quick-drying lightweight fabric
Easy machine wash care
Breathable material for summer
#TOP 6

Kids4ever 3D Print Boys Swim Trunks

HYLN2020040735-14T
1a-geometry
13-14 Years
Kids4ever 3D Print Boys Swim Trunks Cover
Kids4ever 3D Geometry Design Swim Short Boys Fashion Holiday Party Swimming Trunks 13-14 Years Teenager Summer Lightweight Adjustable Waist Beach Shorts

The Kids4ever Swim Trunks are made from a blend of polyester and spandex, ensuring they are lightweight, breathable, and quick-drying. This means you can enjoy your time in the water without feeling weighed down. The mesh lining and elastic waistband with adjustable drawstring provide a comfortable fit, allowing you to move freely during any activity. With unique 3D prints, these trunks not only look stylish but are also resistant to fading and shrinking, ensuring they maintain their vibrant appearance after multiple washes.

What We Like
Quick-drying fabric
Comfortable adjustable fit
Unique 3D prints
Durable and fade-resistant

MaaMgic Toddler Swim Shorts with Animal Patterns

1831185485301EUR
01fish-navy Blue
3 Years
MaaMgic Toddler Swim Shorts with Animal Patterns Cover
MaaMgic Little Boys' Beach Trunk Toddler Swim Shorts Animal Patterned Boardshorts Lightweight Beach Shorts Adjustable Waist Great for Kids, Fish-navy Blue, 3 Years

The MaaMgic Swim Shorts are designed for comfort and enjoyment at the beach or pool. Made from 100% polyester, these shorts offer UPF 50+ protection, blocking 90% of harmful UV rays, ensuring your boy stays safe under the sun. The lightweight, quick-drying fabric allows for all-day wear, making them ideal for various activities. Additionally, the elastic waistband with drawstring closure ensures a secure and comfortable fit, allowing for easy movement while playing or swimming. With their stylish tropical prints, your boy will look great while having fun.

What We Like
UPF 50+ sun protection
Quick-drying fabric
Comfortable elastic waistband
Stylish tropical designs
#TOP 8

MaaMgic 4 Way Stretch Boys' Swim Trunks

Green Lizard
3 Years
MaaMgic 4 Way Stretch Boys' Swim Trunks Cover
MaaMgic Boys' Swimming Trunks 4 Way Stretch Toddler Swim Shorts Beach Boardshorts Lightweight Adjustable Waist Great for Kids,Green Lizard,3 Years

The MaaMgic Swim Trunks are designed for comfort and performance. Made from a blend of 95% polyester and 5% spandex, these trunks are lightweight and quick-drying, ensuring your child stays comfortable during any beach activity. The 4-way stretch fabric allows for unrestricted movement, making swimming and running a breeze. With an elastic waistband and drawstring, you can easily adjust the fit for your little one. Plus, the stylish above-the-knee design lets them play freely all day without any hindrance.

What We Like
Quick-drying material
Adjustable waistband
4-way stretch for mobility
Stylish and comfortable

Aomig Boys Elasticated Waist Swimming Shorts

C2-QX-12C240207-FBA
Black
12 Years
Aomig Boys Elasticated Waist Swimming Shorts Cover
Aomig Boys Swimming Shorts, Boy's Swim Trunks with Elasticated Waist, Kids Pool Swimwear, Kids Beach Shorts Kids Board Shorts, Children Elasticated Waist Beach Swimming Trunks (Black)

The Aomig Boys Swim Trunks are designed for comfort and durability, featuring an elastic waistband with a drawstring closure to ensure they stay in place as your little ones swim or play. Made from 100% polyester, the lightweight and breathable fabric dries quickly, making them perfect for summer activities. Available in various sizes, you can easily find the right fit for your child. These versatile shorts are ideal for swimming, surfing, or simply enjoying a day at the beach, keeping your boys stylish and comfortable all summer long.

What We Like
Durable elastic waistband
Quick-drying fabric
Available in multiple sizes
Versatile for various activities
Great gift option
#TOP 10

adidas Boy's Swim Shorts with Drawcord

GUQ12
Black
11-12 Years
adidas Boy's Swim Shorts with Drawcord Cover
adidas Boy's Badge of Sport Swim Shorts, Black, 11-12 Years

The adidas Swim Shorts are designed with an elastic waist and inner drawcord, ensuring a snug and adjustable fit for your comfort. Made from 100 percent recycled polyester, they offer a lightweight and breathable feel, perfect for regular swim training. The mesh inner briefs provide additional support and comfort, allowing you to move freely in the water. These swim shorts are an excellent choice for young swimmers looking to enhance their training experience.

What We Like
Adjustable elastic waist
Lightweight material
Comfortable mesh inner briefs
Eco-friendly design
Buying Guide Image
Editor's Notes

During our lightweight swim trunk for boys research, we found 189 lightweight swim trunk for boys products and shortlisted 10 quality products. We collected and analyzed 25,458 customer reviews through our big data system to write the lightweight swim trunks for boys list. We found that most customers choose lightweight swim trunks for boys with an average price of £11.02.

The lightweight swim trunks for boys are available for purchase. We have researched hundreds of brands and picked the top brands of lightweight swim trunks for boys, including Pretty Attitude, Speedo, RIPT, SERENYOU, Indigo Soul. The seller of top 1 product has received honest feedback from 1,009 consumers with an average rating of 4.0.

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.