Best Polyester Underwear for Boys of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 8 Feb 2025

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Polyester underwear for boys is a comfortable and practical choice for everyday wear. Made from durable and breathable fabric, these undergarments provide a snug fit that stays in place throughout the day. The moisture-wicking properties of polyester help to keep boys feeling fresh and dry, making it an ideal option for active youngsters. With a range of styles and colours available, there is something to suit every taste. Upgrade your child's underwear collection with these quality polyester options.

At a Glance: Our Top Picks

The Essentials Wardrobe Boys 5 Pack Trunks Cover #TOP 1
The Essentials Wardrobe Boys 5 Pack Trunks
ftb score rating icon 9.9
The Essentials Wardrobe Boys 5 Pack Boxers Cover #TOP 2
The Essentials Wardrobe Boys 5 Pack Boxers
ftb score rating icon 9.8
ASRL Boys Neon Boxer Shorts 6 Pairs Cover #TOP 3
ASRL Boys Neon Boxer Shorts 6 Pairs
ftb score rating icon 9.6

Top 10 Polyester Underwear for Boys

#TOP 1

The Essentials Wardrobe Boys 5 Pack Trunks

Assorted
8-9 Years
The Essentials Wardrobe Boys 5 Pack Trunks Cover
The Essentials Wardrobe Boys TEW 5 Pack Trunks - 8/9 YRS - Assorted

The Boys 5 Pack Trunks from The Essentials Wardrobe offer exceptional comfort and flexibility. Made from a high-quality cotton and polyester blend, the soft fabric feels luxurious against the skin, perfect for all-day wear. The 4-way stretch elastane ensures the trunks adapt to your child's movements, providing support during both school and play. Additionally, the soft elasticated premium waistband offers a gentle yet secure fit, preventing irritation. With a double fabric front panel, these trunks enhance durability and maintain their shape, ensuring they withstand everyday activities.

What We Like
High-quality, comfortable fabric
Flexible and supportive fit
Gentle, secure waistband
Durable design
#TOP 2

The Essentials Wardrobe Boys 5 Pack Boxers

The Essentials Wardrobe Boys 5 Pack Boxers Cover
The Essentials Wardrobe Boys FCO 5 Pack Boxer - 8/9 YRS - Black

The Boys 5 Pack Boxers from The Essentials Wardrobe are crafted from soft, breathable cotton rich fabric, ensuring all-day comfort for your child. With a stretchy jacquard waistband, these boxers allow for freedom of movement, whether at school or home. Available in a range of sizes from 2 to 13, you can easily find the perfect fit for different body types. The luxurious soft hand feel of the fabric prioritises comfort, making them ideal for everyday wear without irritation.

What We Like
Soft, breathable fabric
Stretchy for freedom of movement
Available in various sizes
Luxurious soft touch
#TOP 3

ASRL Boys Neon Boxer Shorts 6 Pairs

ASRL
6 Neon Band
9-11 Years
ASRL Boys Neon Boxer Shorts 6 Pairs Cover
ASRL®Boys Boxer Shorts 6 Pairs Of Kids Neon Boxershorts Classic Boxers Boys' underwear Size: 3-13 Years (9-11Years, 6 NEON BAND)

The ASRL Boys Boxers offer a comfortable fit for children aged 3-13 years, featuring a breathable blend of 50% cotton and 50% polyester. This fabric helps to keep your child cool and prevents skin irritation, making the boxers suitable for everyday wear under shorts, pants, or school uniforms. The elasticated waistband ensures a snug yet gentle fit around the waist without restriction, allowing for easy movement. Additionally, these breathable underpants help maintain freshness and inhibit bacterial growth, promoting your child's health and comfort throughout the day.

What We Like
Soft, breathable fabric
Comfortable elasticated waistband
Inhibits bacterial growth
Machine washable
Ideal for everyday wear
#TOP 4

Slazenger Junior Multi-Sport Boxer Shorts

White
9-10 Years
Slazenger Junior Multi-Sport Boxer Shorts Cover
Slazenger Junior Cricket Boxer White 9-10 Years

The Slazenger Junior Boxer Shorts are expertly crafted in a multi-stretch polyester, ensuring you enjoy great comfort during your activities. The elasticated waist band provides a secure fit, allowing you to move freely without any discomfort. An elasticated pouch is integrated, giving you the option to insert an abdo guard for added protection when playing sports. Made from 94% polyester and 6% elastane, these shorts are suitable for various sports, making them a versatile choice for active youngsters.

What We Like
Comfortable multi-stretch material
Elasticated waist for secure fit
Built-in pouch for abdo guard
Suitable for multiple sports
Machine washable for easy care

BUYKUD Kids' Long Sleeve Compression Set

BK-UK-600003-BLACK-30
Black
12-13 Years
BUYKUD Kids' Long Sleeve Compression Set Cover
BUYKUD Kids' Boys Long Sleeve Base Layer Compression Underwear Athletic Shirt Tights Top & Bottom Set, Black, Label Size: 30

The BUYKUD Compression Set is designed for active boys who need comfort and support during their sports activities. Made from a blend of 92% polyester and 8% spandex, the fabric is abrasion-resistant and highly elastic, ensuring you can move freely in any direction. This set also features moisture-wicking properties that help regulate heat and promote sweat evaporation, keeping you dry and fresh. Additionally, it provides compression to the core muscle area, which can aid in achieving better athletic performance and protecting the knee ligaments.

What We Like
Comfortable and smooth fabric
Excellent moisture-wicking properties
Enhanced mobility for sports
Core muscle compression support
Versatile for various activities
#TOP 6

Boys 7 Days of The Week Boxer Trunks

AA7460B-Boys 7 Days Boxer 11-12 Years
Pack of 7 Black
11-12 Years
Boys 7 Days of The Week Boxer Trunks Cover
Boys 7 Days of The Week Every day Breathable Underwear Essentials Boxer Trunks (11-12 Years,Multicolour)

The Boys Boxer Trunks are designed for ultimate comfort and versatility. Made from a soft and breathable cotton blend, these boxers feel lightweight against your skin, allowing you to forget you're even wearing them. The elastic waistband ensures a snug fit without any discomfort, making them perfect for all-day wear. With a functional button-fly closure, these trunks offer convenience and a classic look, ideal for lounging at home or engaging in various activities.

What We Like
Soft and lightweight fabric
Comfortable elastic waistband
Functional button-fly closure
Breathable for all-day wear
Versatile for various activities
#TOP 7

THMO Kids Thermal Top for Winter

Thk-lts
White
9-11 Years
THMO Kids Thermal Top for Winter Cover
THMO Kids Long Sleeved Thermal Top Extra Warm Winter Base Layer Top for Childrens | Lightweight Fleece Lined Underwear (UK, Age, 9 Years, 11 Years, Regular, White)

The THMO Thermal Top is designed to keep your child warm and comfortable during colder months. Its soft brushed inner layer traps warm air, enhancing thermal performance and ensuring a snug feel. The comfort stretch and seams allow for unrestricted movement, making it perfect for active kids. With advanced moisture control, this top helps keep your child dry and fresh, even during playtime. Whether outdoors or indoors, this thermal top is an essential addition to their winter wardrobe.

What We Like
Luxurious soft inner layer
Comfortable and stretchy fit
Moisture control technology
Ideal for outdoor activities
Available in various sizes

SOCKSVILLE Boys Briefs 7 Pack Assorted

BOYS Briefs Poly-Cot 7pk D2 5-6
Red/Black/Green
5-6 Years
SOCKSVILLE Boys Briefs 7 Pack Assorted Cover
SOCKSVILLE Boys Briefs 7 Pack Assorted Plain White/Red/Black/Navy/Blue | Multipack, Soft Cotton Mix Blend Boys Pants | Comfortable, Breathable, Toddler Pants, Underwear 2-3, 3-4, 5-6, 7-8 Year Olds

The SOCKSVILLE Boys Briefs offer exceptional comfort for your little ones. With seven different plain colours and patterns, these briefs are made from a soft cotton blend that ensures breathability. The elastic waistband provides an easy fit, making them perfect for daily wear. Plus, the lightweight yet durable fabric wicks away moisture, keeping skin irritation at bay and ensuring all-day freshness, which is particularly beneficial for sensitive skin.

What We Like
Soft and breathable material
Comfortable elastic waistband
Durable and long-lasting
Vibrant colours that don't fade
Suitable for various activities

Fashion by Purdashian Boys Comfortable Briefs

Fashion by Purdashian Boys Comfortable Briefs Cover
Fashion by Purdashian Boys Pants | Cotton Mix Boys Underwear | Boys Briefs Multipack Pants | Training Pants | Toddler Pants (UK, Age, 2 Years, 3 Years, Regular, Pack Of 5 - Dinosaurs)

Purdashian Boys Briefs are designed for everyday comfort and breathability, making them perfect for daily wear. With a cotton mix of 65% polyester and 35% cotton, these underpants offer the softness of cotton while providing the necessary elasticity for freedom of movement. Their moisture-wicking properties keep you fresh and odour-free throughout the day. Additionally, the elasticated waist and legs ensure a snug fit without riding up, giving you lasting comfort as you go about your day.

What We Like
Comfortable and breathable fabric
Moisture-wicking design
Elasticated waist for snug fit
Durable and machine washable
Available in multiple sizes
#TOP 10

BUYKUD Boys Thermal Underwear Set

BK-UK-700009-BLUE-28
Blue
10-11 Years
BUYKUD Boys Thermal Underwear Set Cover
BUYKUD Kids Boys Thermal Underwear Long Sleeve Base Layer Compression Athletic Shirt Tights Top & Bottom Set Unisex, 10-11 Years, Blue

The BUYKUD Thermal Set is designed for active children, featuring a blend of 92% polyester and 8% spandex. This combination creates an anti-odour and anti-itch material that feels smooth against the skin, ensuring comfort during exercise. The quick-dry fabric and 4-way stretch technology provide excellent compression support, making it ideal for a variety of sports. The snug fit retains its shape even after multiple washes, allowing your child to enjoy their activities without any distractions.

What We Like
Comfortable anti-odour fabric
Quick-drying for active use
Excellent compression support
Retains shape after washing
Buying Guide Image
Editor's Notes

During our polyester underwear for boys research, we found 191 polyester underwear for boys products and shortlisted 10 quality products. We collected and analyzed 20,229 customer reviews through our big data system to write the polyester underwear for boys list. We found that most customers choose polyester underwear for boys with an average price of £7.97.

The polyester underwear for boys are available for purchase. We have researched hundreds of brands and picked the top brands of polyester underwear for boys, including The Essentials Wardrobe, ASRL, Slazenger, BUYKUD, THMO. The seller of top 1 product has received honest feedback from 925 consumers with an average rating of 4.8.

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.