Best Polyester Sports Bras for Girls of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 3 Feb 2026

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Polyester sports bras are a popular choice among active girls. These bras provide excellent support and comfort during physical activities such as sports, dance, or workouts. Made from high-quality polyester material, they offer a soft and breathable feel against the skin, allowing for optimal airflow and moisture-wicking capabilities. With their durable construction and elasticated bands, these sports bras ensure a snug fit and provide the necessary support for active girls. Whether it's for a game on the field or a gym session, polyester sports bras are a reliable option to keep girls comfortable and confident while they stay active.

At a Glance: Our Top Picks

FUIPVGI 4 Pack Girls Bra, Training Crop Bras, Sports Bra Cover #TOP 1
FUIPVGI 4 Pack Girls Bra, Training Crop Bras, Sports Bra
ftb score rating icon 9.9
USA Pro Kids Fitness Crop Top Junior Girls Running Sports Round Neck Racer Back Black 11-12 Cover #TOP 2
USA Pro Kids Fitness Crop Top Junior Girls Running Sports Round Neck Racer Back Black 11-12
ftb score rating icon 9.8
INNERSY Girls Sports Bra 3 Pack Cover #TOP 3
INNERSY Girls Sports Bra 3 Pack
ftb score rating icon 9.6

Top 10 Polyester Sports Bras for Girls

#TOP 1

FUIPVGI 4 Pack Girls Bra, Training Crop Bras, Sports Bra

FUIPVGI
White
10 Years
FUIPVGI 4 Pack Girls Bra, Training Crop Bras, Sports Bra Cover
FUIPVGI 4 Pack Girls Bra, Training Crop Bras, Sports Bra, with Adjustable Strap Seamless Sports Underwear, Teenage Girl Crop Top for Daily, Maiden Bras for 10-15 Years Girls (White)

Features
PACKAGE: You Will Receive 4 Pack Girls Bra, Which Is Suitable For Age 10-15Years, Weight 25-45kg, Giving Girls The Highest Comfort And Good Elasticity. Light Color Design Can Match All Colors Of Outfits, Which Is Excellent For Developing Young Girls.
MATERIAL: The Girls Bra Is Made Of High-Quality Polyester Cotton, Which Has Appropriate Elasticity, Is Soft And Skin-Friendly, Is Moisture-Absorbent And Breathable, And Have No Irritation To Your Girls.
WIDE APPLICATION: Teenage Girls Need A Bra Like This To Match Their Everyday Outfits, They Are Suitable For Girls To Wear With Any Clothes: Casual Wear, Cheerleading Uniforms, School Uniforms.
DESIGN: The Straps Of The Underwear Can Be Freely Adjusted For A Comfortable Fit Without Looking Baggy Or Bulky.Three Rows Of Two Buttons. Comfortable Fit, Not Loose And Fat.It's A Great Gift From Mother To Daughter.
CHARMING: Suitable For Girls Who Have Just Entered Puberty, Making Them Confident That They Do Not Need Support.provide Enough Safety For Girls And Take Away All Awkwardness In Wearing Clothes.
#TOP 2

USA Pro Kids Fitness Crop Top Junior Girls Running Sports Round Neck Racer Back Black 11-12

Black
11-12 Years
USA Pro Kids Fitness Crop Top Junior Girls Running Sports Round Neck Racer Back Black 11-12 Cover
USA Pro Kids Fitness Crop Top Junior Girls Running Sports Round Neck Racer Back Black 11-12 (LG)

Features
Designed With A Round Scoop Neck, Racer Back, And An Elasticated Chest Band, This Is Perfect For Those Sport Fanatics.
Upcoming Athletes Will Feel Top Of Their Game In The USA Pro Fitness Crop Top.
USA Pro Branding
This Product May Have Slight Cosmetic Differences From The Image Shown Due To Assorted Colours Or Updated Seasonal Collections.
Round Neck
Racer Back
Machine Washable
Junior Training Girl's Crop Top
Elasticated Chest Band
84% Polyester, 16% Elastane

INNERSY Girls Sports Bra 3 Pack

10-12 Years
INNERSY Girls Sports Bra 3 Pack Cover
INNERSY Girls Sports Bra White Crop Tops Kids Teen Black Bralette Grey Training Underwear 3 Pack (L, Basic Black/White/Grey)

INNERSY Girls Bralette is designed for comfort and support, perfect for girls aged 6-16. These crop tops are non-wired and non-padded, providing a soft feel against the skin, making them ideal for everyday wear or as a first bra. The wide shoulder straps reduce pressure and prevent chafing, ensuring a snug fit during activities. With a contrast colour underneath band, these bras stay in place, offering support without digging in, making them a fashionable choice for young athletes.

What We Like
Comfortable non-wired design
Wide straps prevent chafing
Stylish with contrasting colours
Easy to care for

Bysion Adjustable Girls Sports Bras Pack

Style 1
10-12 Years
Bysion Adjustable Girls Sports Bras Pack Cover
4 Pack Girls Sports Bra Training Bras Underwear with Fixed Bust Pad and Adjustable Strap Teenage Girls Crop Top for Kids 10-12 Years

The Bysion Girls Sports Bras offer a combination of comfort and support for active young ladies. With fixed padding, these bras provide natural support without the worry of displacement, making them ideal for daily wear or even while sleeping. The adjustable straps allow you to customise the fit, ensuring maximum comfort whether you're in a vest or a dress. Made from over 95% cotton, these bras are soft, breathable, and sweat-absorbent, perfect for all-day wear and various activities.

What We Like
Soft and breathable fabric
Fixed padding for support
Adjustable straps for comfort
Ideal for daily wear
#TOP 5

Under Armour Girls' Crossback Bra

1390066
Silica Green
Under Armour Girls' Crossback Bra Cover
Under Armour Girls' Crossback Bra, Comfortable Sports Bra with HeatGear® Fabric, Fast-Drying Workout and Training Bra

Features
Soft On Skin - The Comfortable Sports Bra Is Made Of Super-Smooth, Double-Layer HeatGear Fabric That Delivers A Superior Next-To-Skin Feel
Constant Comfort - This Gym Bra Is Designed To Keep The Skin Cool During Any Activity. It Wicks Sweat, Dries Fast, And Moves With The Body
Unique Design - The Non-Padded Sports Bra Features Crossover Straps With A Keyhole Detail, As Well As An Elastic Band With Wordmark Detail
Material And Fit - Under Armour Girls' Crossback Bra, Double-Lined Non-Padded Workout Bra With Fitted Design. BODY: 86% Polyester, 14% Elastane
Innovative Material - The Crossback Sports Bra Wicks Sweat And Dries Fast. The Unique 4-Way Stretch Material Moves Better In Every Direction

flintronic Girls Cotton Sports Bras 4 Pack

flintronic Girls Cotton Sports Bras 4 Pack Cover
Flintronic 4 Pack Sports Bra, Unpadded Crop Top, Teenage Crop Vest

The flintronic Girls Sports Bras are crafted from a soft blend of 95% cotton and 5% spandex, ensuring comfort and elasticity for active girls. Designed without steel rings or padding, these bras support natural development while providing a comfortable fit. The wide straps help to distribute pressure, reducing the risk of red marks on the shoulders during sports or training. Ideal for girls aged 8-12, these bras are perfect for everyday wear and various activities like yoga, running, and dancing.

What We Like
Comfortable cotton and spandex blend
No steel rings or padding
Wide straps reduce shoulder pressure
Suitable for various sports

FUIPVGI Girls Soft Cotton Sports Bras

FUIPVGI
Fuipvgi - Etbx2
White
9-14 Years
FUIPVGI Girls Soft Cotton Sports Bras Cover
FUIPVGI 4 Pack Girls Bra, Crop Tops for Girls, Soft Comfortable Cotton Girl Sports Bras Kids Underwear Non Padded Training Bra, Crop Top Bras for Girl Kid Teens 9-14 Years (White)

The FUIPVGI Girls Sports Bras are crafted from a soft blend of cotton and spandex, ensuring comfort and breathability during wear. With a non-padded and non-wired design, these bras support natural growth without restriction, making them ideal for young girls. The anti-curling feature provides added security, preventing any discomfort from rolling up. Additionally, the wide shoulder straps reduce pressure, helping to avoid red marks and chafing on delicate skin, allowing for all-day wear in comfort.

What We Like
Soft and breathable material
Non-restrictive for growth
Anti-curling design
Wide shoulder straps for comfort
#TOP 8

Under Armour Girls' Crossback Mid Solid Sports Bra

1369971
Starlight
Under Armour Girls' Crossback Mid Solid Sports Bra Cover
Under Armour Girls' Crossback Mid Solid Sports Bra with Crossover Back, Essential Sportswear for Girls, Lightweight Running Bra

Features
Superior Comfort – The Material Of The Gym Bra Wicks Sweat And Dries Quickly. The 4-Way Stretch Construction Moves Better In Every Direction.
Innovative Material – Made Of Super-Smooth, Double-Layer HeatGear Fabric, The Sports Bra For Girls Delivers A Superior Next-To-Skin Feel.
Stylish Details – With Crossover Straps, An Updated Keyhole Detail And A Mini Wordmark On The Band, This Gym Wear Is Functional And Stylish.
Material And Fit – Under Armour Sports Bra For Girls, Lightweight And Comfortable Gym Bra. Material: 86% Polyester, 14% Elastane. Fit: Fitted.
Comfort And Coverage – The Material Of The Yoga Bra For Girls Is Super-Smooth And Soft. It Is Double-Lined For Optimal Coverage, And Has No Padding.
#TOP 9

FedMois Girls Cotton Sports Bra Pack of 4

KidsClothing364/M
8-10 Years
FedMois Girls Cotton Sports Bra Pack of 4 Cover
FedMois Girls Sports Bra Unpadded Crop Top Cotton Pack of 4, Grey, Black, White and Pink, 8-10 Years

The FedMois Girls Sports Bra is designed for comfort and support, made from 95% cotton and 5% elastane. This combination ensures excellent elasticity, making it ideal for growing girls. Available in sizes 6-8, 8-10, and 10-12 years, it caters to different age groups. You will receive a pack of four unpadded bras in grey, black, white, and pink, offering versatile options for everyday wear. This thoughtful design promotes ease of movement during sports or play, ensuring your child feels confident and comfortable.

What We Like
High elasticity for comfort
Multiple sizes available
Pack of four bras
Unpadded for ease of wear
Variety of colours

ueslwser 3 Pcs Teen Girls Training Sports Bras

Black White Grey
One Size
ueslwser 3 Pcs Teen Girls Training Sports Bras Cover
ueslwser 3 Pcs Teen Girls Bra, Sports Bras Age 10-15, Training Bra with Removable Pad, Crop Top for Kids Black White Grey

The ueslwser Teen Sports Bras offer excellent comfort with their 95% cotton and 5% spandex blend, giving you a soft, wireless fit that supports you without bouncing during activities. Thanks to the 4-way stretch recycled fabric, you can move freely and stay comfortable all day long. The stretchy bust band ensures you can enjoy all kinds of sports or play without restriction. Plus, with no wires or hooks, these bras are perfect for beginners and also comfortable enough to wear while sleeping.

What We Like
Soft cotton blend
4-way stretch fabric
Wireless, no hooks
Stretchy bust band
Buying Guide Image
Editor's Notes

During our polyester sports bra for girls research, we found 103 polyester sports bra for girls products and shortlisted 10 quality products. We collected and analyzed 5,551 customer reviews through our big data system to write the polyester sports bras for girls list. We found that most customers choose polyester sports bras for girls with an average price of £20.00.

The polyester sports bras for girls are available for purchase. We have researched hundreds of brands and picked the top brands of polyester sports bras for girls, including FUIPVGI, USA Pro, INNERSY, Bysion, Under Armour.

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.