Best Lightweight Swim Trunks for Boys of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 11 Feb 2026

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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
Hoseay Boys Swimming Shorts Quick Dry Swim Trunks with Mesh Lining and Elastic Waistband Breathable Swimwear Funny Printed Lightweight Surfing Beach Pants Cover #TOP 2
Hoseay Boys Swimming Shorts Quick Dry Swim Trunks with Mesh Lining and Elastic Waistband Breathable Swimwear Funny Printed Lightweight Surfing Beach Pants
ftb score rating icon 9.8
RIPT Boys Quick Dry SPF50 Swim Shorts Red Cover #TOP 3
RIPT Boys Quick Dry SPF50 Swim Shorts Red
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
#TOP 2

Hoseay Boys Swimming Shorts Quick Dry Swim Trunks with Mesh Lining and Elastic Waistband Breathable Swimwear Funny Printed Lightweight Surfing Beach Pants

Hoseay
Navy Blue
10-11 Years
Hoseay Boys Swimming Shorts Quick Dry Swim Trunks with Mesh Lining and Elastic Waistband Breathable Swimwear Funny Printed Lightweight Surfing Beach Pants Cover
Hoseay Boys Swimming Shorts Quick Dry Swim Trunks with Mesh Lining and Elastic Waistband Breathable Swimwear Funny Printed Lightweight Surfing Beach Pants for Kids 10-11 Years, Navy Blue

Features
[Thoughtful Design] Featuring An Elastic Waistband With An Internal Drawstring, These Swim Trunks Provide A Comfortable, Form-Fitting Feel. The Non-Slip Design Prevents Digging In, Ensuring All-Day Comfort For Your Child. A Front Lining Offers Supportive Cushioning During Swimming Or Water Play, Minimizing Friction. Seamless, Flat-Locked Seams And Premium Craftsmanship For Long-Lasting Wear.
[Quick-Dry Fabric] Crafted From 85% Polyester And 15% Spandex, These Boys' Swimming Shorts Offer Rapid Drying, Softness And Stretch. The Lightweight Fabric Dries Swiftly After Swimming Or Beach Play, Keeping Children Comfortably Dry All Day. The Supple, Elasticated Material Allows Unrestricted Movement, Making Them Suitable For Active Youngsters.
[Size & Care] To Select The Right Swimwear For Kids, Please Refer To The Size Chart Based On Height. Hand Measurements May Have A Margin Of Error Of 1-2 Cm. These Children's Trunks Are Machine Washable Or Hand Washable. Do Not Iron, Dry Clean, Or Bleach.
[Multiple Occasions] Breathable Surfing Pants Are Suitable For Pools, Water Parks, Beach Vacations, Surfing, And Casual Competitions. They Also Make A Choice For Everyday Summer Wear. Whether You're On A Family Getaway Or Splashing Around At The Pool, These Swim Shorts Deliver Both Stylish Looks And Practical Functionality.
[ Funny Printed ] These Stylish And Fun Board Shorts Feature Adorable Animal Prints That Catch Kids' Eyes. Wearing These Shorts Not Only Adds Excitement To Swimming But Also Helps Boost Children's Interest And Confidence In Water Activities. They Make A Practical Gift For Kids Who Will Be Thrilled To Receive Them.
#TOP 3

RIPT Boys Quick Dry SPF50 Swim Shorts Red

RIPT
RCJSHO772_RED_9/10
9-10 Years
RIPT Boys Quick Dry SPF50 Swim Shorts Red Cover
RIPT Boys Quick Dry Uv 50 Sun Protection Peach Finish Swimming Swim Shorts Trunks, Red, 9-10 Years UK

The RIPT Boys Swim Shorts are designed to keep your child comfortable and protected during water activities. Made from ultra-light materials, they allow for easy movement, so your child can enjoy swimming or playing freely. The quick-dry fabric is perfect for an active lifestyle, ensuring the shorts dry swiftly after getting wet. Additionally, with SPF50 sun protection, these shorts help shield your child’s skin from harmful sun rays, making them ideal for sunny days at the beach or pool.

What We Like
Ultra-lightweight material
Quick-drying fabric
SPF50 sun protection
Elasticated waistband with drawstring
9cm inseam leg length
#TOP 4

MaaMgic Little Boys' Swimming Shorts Beach Trunk Toddler Swim Shorts Boardshorts Lightweight Beach Shorts Adjustable Waist All Age

1831185485302EUR
01fish-navy Blue
4 Years
MaaMgic Little Boys' Swimming Shorts Beach Trunk Toddler Swim Shorts Boardshorts Lightweight Beach Shorts Adjustable Waist All Age Cover
MaaMgic Little Boys' Swimming Shorts Beach Trunk Toddler Swim Shorts Boardshorts Lightweight Beach Shorts Adjustable Waist All Age,Fish-Navy Blue,4 Years

Features
Good Quality: This Boys Swim Trunk Features An Elastic Waistband With Drawstring Closure Which Is Extremely Durable And Comfortable. Made Of Comfortable Quick Dry Fabric, Your Boy Could Easily Feel How Great It Is When They Wear These Swim Trunks.
Comfortable: Made Of 100% Polyester, UPF 50+ Which Blocks 90% Of The Sun's Harmful Ultraviolet Rays. 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. Your Boy Can Spend An Entire Day Wearing These Cute Shorts.
Style: The Fashion Style Will Be On Full Display With This Cool And Comfortably Fit Boy's Swim Trunks With Tropical Inspired Prints. This Playful Wrinkle Free Shorts Are Short And Above The Knee, They Will Make Your Style Come Alive With Its Unique Patterns. 2t Swim Trunks, 3t Swim Trunks, 4t Swim Trunks, 5t Swim Trunks, 6t Swim Trunks Are Available For You.
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.
Our Brand "MaaMgic" Is Always Focus On Providing The Most Fashionable And Comfortable Swimming Trunks To Our Coutomers. For The Boys, We Have Cute Fish Bone Siwm Trunks, Short Pineapple Swim Trunks, Flamingo Swim Trunks, Dinosaur Swim Trunks Etc. These Swim Trunks Could Be A Perfect Gift To Your Boys, Sons Or Grandsons. Please Do Not Hesitate To Contact Us If You Have Any Question.
#TOP 5

ZERULETS Boys Swim Shorts Quick Dry Beach Board Trunks Lightweight Kids Boardshorts

ZERULETS
#9 Pure Black
13-14 Years
ZERULETS Boys Swim Shorts Quick Dry Beach Board Trunks Lightweight Kids Boardshorts Cover
ZERULETS Boys Swim Shorts Quick Dry Beach Board Trunks Lightweight Kids Boardshorts with Reinforced Stitching and Adjustable Drawstring for 13-14 Years Children

Features
Boys Swim Shorts Design: Elastic Waistband And Adjustable Drawstring, Suitable For Boys Of Different Body Types. The Side Pockets And Back Velcro Pockets Of Swimming Trunks Are Convenient For Carrying Small Items.
Boys Swimming Trunk Quality: 100% Polyester, Quick Dry, Lightweight And Comfortable To Wear. Crotch Side Waist Three Layers Of Stitches, Firm Not Easy To Off Line. No Shrinkage, No Fading, Not Easy To Wrinkle.
Ideal Choice For Outdoor Activities: Kids Beach Shorts Are Very Suitable For Swimming, Surfing, Water Playing, Walking, Cycling, Running. These Are Essential Kids Board Trunks For Beach Parties And Summer Vacations.
Care And Service: Hand Wash Or Machine Wash. If You Have Any Questions About Our Board Shorts, Please Contact Us.
Boys Board Shorts Size: Our Boys Swimming Shorts Are Suitable For 3-14 Years Boys, And You Can Choose The Right Size For Them: Boys Shorts 3-4 Years, Swim Trunks 5-6 Years, Kids Shorts 7-8 Years, Beach Trunks 9-10 Years, Boardshorts 11-12 Years, Boys Trunks 13-14 Years.
#TOP 6

GENTABY Boys Swimming Shorts Quick Dry Swimming Trunks Boys Swim Shorts Lightweight Beach Swimsuit

#3 Orange Dinosaur
3-4 Years
GENTABY Boys Swimming Shorts Quick Dry Swimming Trunks Boys Swim Shorts Lightweight Beach Swimsuit Cover
GENTABY Boys Swimming Shorts Quick Dry Swimming Trunks Boys Swim Shorts Lightweight Beach Swimsuit with Pockets Swimwear for Kids 3-4 Years

Features
Comfortable Design: Our Kids Swimming Shorts Feature Adjustable Elastic Waistbands With Drawstrings For A Perfect Fit And Secure Wear. Mesh-Free Design Enhances The Breathability And Quick-Drying Functionality Of Boys Swim Trunks
Quick-Dry Fabric: Lightweight Boys Swimming Trunks Made From Breathable Polyester Material That Dries Quickly, Featuring Convenient Pockets To Keep Essentials Secure During Beach Trips Or Pool Days
True-To-Size Fit: Carefully Sized Swimwear For Boys Available In Ages 3-12 Years, With Detailed Size Chart For Perfect Fitting Boys Swimsuit And Swimming Essentials. You Can Choose From 6 Sizes: 3-4 Years, 4-5 Years, 6-7 Years, 8-9 Years, 9-10 Years, And 10-12 Years
Boy Shorts Occasions: These Boys Board Shorts Are Perfect For Various Occasions, Such As Swimming, Surfing, Beach, Rafting, Or Casual Wear, These Boys Beach Shorts Are High Quality And Flexible For Any Adventure
Best Service: These Boys' swim Shorts & Trunks Are The Perfect Present For Your Boy, Son, Or Grandson. Please Read Our Size Chart Before Placing Your Order, Welcome Questions About Product (size, Color, Material, Etc.) And Service
#TOP 7

Arshiner Boys’ Beach Swim Shorts Quick-Drying Kids' Swimming Trunks Built-in Lining Lightweight Ombre Design

Arshiner
Orange
13-14 Years
Arshiner Boys’ Beach Swim Shorts Quick-Drying Kids' Swimming Trunks Built-in Lining Lightweight Ombre Design Cover
Arshiner Boys’ Beach Swim Shorts Quick-Drying Kids' Swimming Trunks Built-in Lining Lightweight Ombre Design for Holidays, Pool and Seaside Ages 13-14

Features
Lightweight Comfortable: Made From Especially Lightweight, Soft Fabric, The Swimming Short Is For The Maximum Freedom Of Movement And A Comfortable Feel On The Skin – No Heavy Or Clingy Feeling After Swimming
Built-In Lining: Arshiner Boys' Swim Shorts Feature A Soft Built-In Lining That Provides Secure Support And Helps Prevent Chafing – Ideal For Active Kids During Swimming And Long Playtime Afterwards
Secure Fit: An Elastic Waistband With Adjustable Drawstring Keeps The Swim Shorts Securely In Place – Comfortable To Wear Without Digging In Or Feeling Restrictive
Quick-Drying: Breathable Material Dries Quickly After Swimming, Keeping Kids Comfortable Both In And Out Of The Water
Modern Design: The Subtle Ombre Colour Gradient Gives The Kids Swimming Trunks A Modern, Premium Look – Perfect For The Pool, Beach, Holidays Or Swimming Lessons
#TOP 8

Kids4ever Boys Swimming Shorts 11-12 Years Funny 3D Geometry Print Swim Trunks Kids Summer Holiday Party Sports Running Lightweight Beach Shorts

LXHN2021122814-12T
1a-geometry
11-12 Years
Kids4ever Boys Swimming Shorts 11-12 Years Funny 3D Geometry Print Swim Trunks Kids Summer Holiday Party Sports Running Lightweight Beach Shorts Cover
Kids4ever Boys Swimming Shorts 11-12 Years Funny 3D Geometry Print Swim Trunks Kids Summer Holiday Party Sports Running Lightweight Beach Shorts

Features
Kids Swim Shorts Design:mesh Lining Inside,2 Side Pockets,elastic Waistband With Adjustable Drawstring,and Leg Openings Are Using Three-Dimensional Cutting Technology. Carefully Tailoring, Smooth Calm And Neat Car Line Can Make The Swimwear Work Better
Boys Swim Trunks Material:polyester And Spandex Swim Board Shorts,quick Dry Fabric,breathable, Lightweight And Comfortable To Wear.
Water Shorts Style:unique 3D Print Boys Swim Trunks,not Shrink,not Fading,This Playful Wrinkle Free And Water Resistant Shorts Will Make Your Style Come Alive With Its Unique Patterns.
Size And Washing Tips: Please Do Carefully Refer To The Size Chart Before Purchasing. Not Shrink After Normal Hand(Max 40°C) Or Machine Wash.
Beach Shorts Occasion: Kids Swimming Trunks Are Suitable For Various Sports And Beach Activities, Including Swimming, Surfing, Running, Walking, Volleyball, , Cycling,water Skiing, Beach Or Home, And Can Be Used As Gifts For Boys, Kids, Toddler, Baby

PAEHUIMT Boys Swim Shorts with Adjustable Waist

PAEHUIMT
Blue
8-9 Years
PAEHUIMT Boys Swim Shorts with Adjustable Waist Cover
PAEHUIMT Boys Swimming Trunks - Swim Shorts for Kids 3-12 Years, Ages 8-9, Regular, Blue

The PAEHUIMT Boys Swim Shorts offer neat and tight seams, ensuring durability and long-lasting wear, so you don’t have to worry about them falling apart easily. The soft, breathable mesh lining protects privacy and keeps you comfortable while swimming. Made from quick-drying polyester fiber and spandex, these shorts are soft and stretchy, providing ease of movement in and out of the water. Ideal for water parks, pools, beaches, and hot springs, these swim shorts are versatile for many water activities.

What We Like
Durable, neat stitching
Soft, breathable mesh lining
Quick-drying, elastic fabric
Suitable for various water activities
#TOP 10

InfiniZer Boys Swimming Shorts, Quick-Dry Stretch Fabric

InfiniZer
Blue
7-8 Years
InfiniZer Boys Swimming Shorts, Quick-Dry Stretch Fabric Cover
InfiniZer Boys Swimming Shorts, Quick-Dry Stretch Fabric with UPF 50+ Sun Protection, Swim Trunks for Kids Ages 3-14 Years (UK, Age, 7 Years, 8 Years, Regular, Blue)

Features
Superior UPF 50+ Sun Protection: Our Boys Swim Shorts Provide Excellent UV Protection, Shielding Young Skin From Harmful Rays At The Beach, Pool, Or During Water Sports.
Premium Four-Way Stretch Fabric: These Boys Swimming Trunks Are Made Of 93% Polyester And 7% Spandex, Offering Lightweight Comfort, Flexibility, And Quick-Drying Performance For All-Day Wear During Any Activity.
Versatile For All Water Fun: Perfect Swimming Shorts Boys Can Use For Swimming, Surfing, Rafting, Fishing, Or Simply Lounging, Making Them Ideal For Any Aquatic Adventure.
Secure & Comfortable Fit: Featuring An Elasticated Waistband With An Adjustable Drawstring And A Soft, Breathable Mesh Lining For A Snug, Comfortable, And Secure Fit In All Boys Swimming Shorts.
Durable & Stylish Design: These Boys Swimming Trunks Boast Neat, Reinforced Stitching For Enhanced Durability And Feature A Fun Shark Print That Appeals To Young Boys.
Buying Guide Image
Editor's Notes

During our lightweight swim trunk for boys research, we found 306 lightweight swim trunk for boys products and shortlisted 10 quality products. We collected and analyzed 7,882 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 £20.00.

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, Hoseay, RIPT, MaaMgic, ZERULETS.

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.