Best Breathable One-Piece Swimsuits for Girls of 2026

Name: NautySaurs Girls' One-Piece Swimsuit with Cross Back Straps & Mesh Lining Breathable Swimwear Stylish Racerback Design
Brand: NautySaurs

John Zimmer

Last Updated: 3 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Introducing breathable one-piece swimsuits for girls, a must-have for summer fun in the sun. These swimsuits are designed with a special fabric that allows air to circulate, keeping little ones cool and comfortable all day long. With a variety of vibrant colours and stylish patterns to choose from, these swimsuits are both fashionable and functional. Perfect for pool parties or trips to the beach, these breathable one-piece swimsuits are a great addition to any young girl's swimwear collection.

At a Glance: Our Top Picks

#TOP 1

NautySaurs Girls' One-Piece Swimsuit with Cross Back Straps & Mesh Lining Breathable Swimwear Stylish Racerback Design

9.9

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NautySaurs Girls' One-Piece Swimsuit with Cross Back Straps & Mesh Lining Breathable Swimwear Stylish Racerback Design

#TOP1

9.9

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#TOP 2

newhsy One Piece Swimsuit for Boys Grils, Quick Dry Swimming Costume for Boy Girl, Short Sleeve Kids Swimsuit Breathable Swimwear

9.8

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newhsy One Piece Swimsuit for Boys Grils, Quick Dry Swimming Costume for Boy Girl, Short Sleeve Kids Swimsuit Breathable Swimwear

#TOP2

9.8

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#TOP 3

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit

9.6

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Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit

#TOP3

9.6

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Top 10 Breathable One-Piece Swimsuits for Girls

#TOP 1

NautySaurs Girls' One-Piece Swimsuit with Cross Back Straps & Mesh Lining Breathable Swimwear Stylish Racerback Design

NautySaurs

Navy Blue

7-8 Years

NautySaurs Girls' One-Piece Swimsuit with Cross Back Straps & Mesh Lining Breathable Swimwear Stylish Racerback Design for Ages 1-10 Years (Navy Blue, 7-8 Years)

9.9

FTB Score

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Features

Practical Mesh Lining For Comfort: Built-In Front Mesh Lining Prevents Clinginess During Wear/removal While Offering Extra Privacy Protection. No Awkward Sticking Or Wardrobe Mishaps!

Fashionable & Secure Design:Cross-Back Wide Straps With Traditional Open-Back Cutout (exposing Shoulder Blades And Waist) Combine Style And Freedom Of Movement. Sleeveless, Legless, And Figure-Hugging For A Sleek Look.

Trendy Print & Modern Details: Contrasting Side Panel Prints And Vest-Style Neckline Elevate This Swimsuit. Perfect For Pool Days, Swimming Training，beach Trips, Or Summer Activities.

Premium Soft & Breathable Fabric: Smooth, Stretchy Material Wicks Moisture And Dries Quickly. Gentle On Sensitive Skin With Medium Elasticity For Unrestricted Play.

Age-Inclusive Fit For 1-10 Years: Designed To Grow With Your Child! Available In Sizes Catering To Toddlers Through Pre-Teens.

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#TOP 2

newhsy One Piece Swimsuit for Boys Grils, Quick Dry Swimming Costume for Boy Girl, Short Sleeve Kids Swimsuit Breathable Swimwear

newhsy

Pink

7-9 Years

newhsy One Piece Swimsuit for Boys Grils, Quick Dry Swimming Costume for Boy Girl, Short Sleeve Kids Swimsuit Breathable Swimwear for Beach Swimming Pink

9.8

FTB Score

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Features

High-Quality And Durable Material: Made Of High-Quality Polyester Fabric, This Children's Swimsuit Is Not Only Durable, But Also Elastic, With Extremely Low Water Content And Extremely Fast Drying Performance, So That Children Are Ready To Dive Into The Water At Any Time And Enjoy The Happy Time On The Water.

Appropriate Size Selection: Our Swimming Costume For Boys Girls Is Equipped With A Detailed Size Chart. It Is Recommended To Make An Accurate Selection According To The Actual Height, Measurements And Weight Of The Child To Ensure A Perfect Fit And Provide A Comfortable Wearing Experience.

Multifunctional Use: The Well-Designed One-Piece Kids Swimsuit Is Suitable For A Variety Of Water Sports, Including Diving, Swimming, Surfing, Kayaking And Beach Games, Perfectly Accompanying Children In Every Summer Activity.

Intimate After-Sales Service: We Provide Professional After-Sales Service. If You Have Any Questions Or Suggestions About Children's Swimsuits, Please Feel Free To Contact Us. We Will Wholeheartedly Answer Your Questions And Guarantee Your Shopping Experience.

Easy-To-Put Design: Our Swimsuit Is Equipped With Durable Zippers To Help Children Put On And Off Easily And Quickly, Which Greatly Saves Precious Time For Parents And Children And Makes Swimming More Fun.

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#TOP 3

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit

Ewbob

1purple

7-8 Years

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Beach Bathing Suit for Kids(C3-005)-Purple-7-8Y

9.6

FTB Score

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Features

[Comfortable] ：The Kids Swimwear For Girls Is Easy To Wear And Ensures Maximum Comfort By Fitting Like A Second Skin; The Wide Straps And Ergonomic Back Cut Offer Optimal Support And Comfortable

[Material] ：Girls Swimsuits Solid-Color Options Are Made Of 80% Polyamide, 20% Elastane，color Options Are Made Of 85% Polyester，15% Elastane，durable And Soft Fabrics Assured Flexible Movements.Removable Pads For 15-16 And 17-18 Year Olds, No Pads For The Rest Of The Age Group

[Unique Pattern] The Swimsuit For Girl With The Fade-Resistant Colorful Patterns，make Your Girl Stand Out In Beachside Pool Settings，perfect For Summer Water Outings

[Sun Protection] ：Girls One Piece Swimsuit Is Made By Applying SPF 30+ Rated Fabric，provide UV Sun Protection，Great For Swimming, Surfing, Bathing, Beach Wear Or Pool And Excellent For Learning To Swim

[Quick Drying] ：Swimming Costume Girls Are Made Of Quick Drying Material, Light Weight And Breathable Fabric,comfortable To Wear

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#TOP 4

XiaoMoSha Girls Swimming Costume One Piece Swimsuit with Adjustable Straps Breathable Quick Dry Beach Swimwear

XiaoMoSha

Hot Stars

6-8 Years

XiaoMoSha Girls Swimming Costume One Piece Swimsuit with Adjustable Straps Breathable Quick Dry Beach Swimwear Cover

XiaoMoSha Girls Swimming Costume One Piece Swimsuit with Adjustable Straps Breathable Quick Dry Beach Swimwear, HotStars, 6-8 Years

9.5

FTB Score

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Features

[Adjustable Shoulder Strap] Our One Piece Swimsuit Has Ruffles Sleeve Strap For Adjusting, Ensuring Comfort And Security For All-Day Wear. Let's Your Girls Move Freely, Making Them Perfect For Any Water Activity.

[High-Quality Material] Girls Swimming Costume Is Made Of 82% Polyester And 18% Elastane. Elastic Fabric, Quick Drying, Skin-Friendly And Soft. Vibrant Colors And Keeping The Swimwear Not Easy To Fade After Wash.

[Unique Design] Girls Bathing Suits Have Fashionable And Beautiful Pattern, Such As Mermaid, Flamingo, Floral, Purple Diamond Print, Strawberries Pattern And Etc. The Ruffled Straps And Ruffled Neckline Provide Both Coverage And A Cute, Stylish Look For Your Girl!

[Size Charts] This Swimwear Is Suitable For Little Girls Aged From 3-10 Years Old And Also For Various Body Shapes. You Can Choose A Swimsuit For Your Child Referring To The Size Chart For Comfortable Fit

[Applicable Occasions] Suitable For Beach, Swimming Pool, Swimming Lessons, Vacation, Holiday, Children's Day, Water Sports And Surf Party, Photo Shooting And Etc, Which Is A Great Gift For Little Girls

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#TOP 5

Lancry One Piece Black Girls Swimming Costume Girls Swimsuit Quick Dry Stretchy Swimwear

Lancry

Lancry-NKOOHT04-250917

Black

10-11 Years

Lancry One Piece Black Girls Swimming Costume Girls Swimsuit Quick Dry Stretchy Swimwear for Kids Bathing Suit 4-14 Years (UK, Age, 10 Years, 11 Years, Regular, Black)

9.3

FTB Score

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Features

[ONE-PIECE] ：This Swimsuit Girls Features A One-Piece Design, Providing Enhanced Coverage And Excellent UV Protection. It Reduces Water Resistance, Increases Swimming Speed, And Is Easy To Put On And Take Off.

[PREMIUM COMFORT] ：This Girls Swimming Costume Is Made From High-Quality Nylon + Spandex Fabric For Softness And Stretch. The Breathable, Quick-Drying Fabric Ensures Maximum Comfort, Making It Perfect For All-Day Beach Or Pool Wear.

[SUPPORTIVE DESIGN] ：This Swimming Costume Girls Features Wide Shoulder Straps And A U-Shaped Back To Reduce Pressure On The Shoulders And Back, Providing Optimal Support And A Comfortable Fit For Active Children.

[SUMMER FUN] ：This Black Swimming Costume Girls Is Perfect For Swim Lessons, Beach Vacations, Or Pool Parties—a Must-Have For Summer Fun!

[FIT FOR GIRLS 4-14] ：This One Piece Girls Swimsuit Is Available In Sizes Suitable For Girls Ages 4 To 14. Please Refer To The Detailed Size Chart For The Perfect Fit. Machine Washable And Durable.

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#TOP 6

LXEASYGO Girls One Piece Racerback Swimming Costume Kids Athletic Quick Dry Swimsuit Stretchy Swimwear

LXEASYGO

Black

13-14 Years

LXEASYGO Girls One Piece Racerback Swimming Costume Kids Athletic Quick Dry Swimsuit Stretchy Swimwear Cover

LXEASYGO Girls One Piece Racerback Swimming Costume Kids Athletic Quick Dry Swimsuit Stretchy Swimwear for Girls 5-14 Years (UK, Age, 13 Years, 14 Years, Regular, Black)

9.1

FTB Score

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Features

[Comfortable Breathable] This Kids Swimming Costume Is Made Of Nylon And Spandex,breathable And Quick Drying, Soft, Comfortable, Stretchy, Ensuring All-Day Comfort

[Kids Swimwear] Wide Shoulder Straps Relieve The Pressure On The Shoulder And Back, Stylish And Unique Cutout Design On The Back, Make It More Comfortable To Wear

[Suitable For All Occasions] Suitable For Swimming Training, Beach, Pool, But Also Suitable For Home Swimming Pool Parties, Outdoor Beaches

[Size] These Girls Swimsuit Fit For Girls Ages 5 -14, It Is Very Easy To Wear Due To The Excellent Elasticity

[Privacy Protection] Full Hip Coverage And Design, Non-See-Through ,protects Girl's Privacy

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#TOP 7

JiAmy Girls Swimsuit One Piece Ruched Front Retro Kids Swimming Costume Adjustable Straps UV Swimwear Bathing Suit 13 Years

JiAmy

Black

13 Years

JiAmy Girls Swimsuit One Piece Ruched Front Retro Kids Swimming Costume Adjustable Straps UV Swimwear Bathing Suit 13 Years, Black

8.9

FTB Score

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Features

Classic & Elegant Design: This Swimming Suit For Girls Features A Timeless Solid Colour Design Accented With Subtle Ruched Front Panelling, Offering A Stylish And Flattering Look That Stands Out Without Loud Patterns. Perfect For Parents And Girls Who Appreciate Simple, Elegant Style.

Premium Material：Crafted From A High-Quality Blend Of 82% Polyamide And 18% Spandex, This Kids Swimsuit Is Soft, Durable And Colourfast. The Fabric Holds Its Shape And Vibrant Colour Wash After Wash.

Versatile Summer Wear：The Ideal Swimsuit For Girls For Swimming Lessons, Surfing, Pool Parties, And Beach Outings. Its Classic Design And Reliable Sun Protection Make It A Summer Perfect Choice For Girls Aged 5-13.

Quick-Dry: Made From Lightweight, Breathable, And Quick-Drying Material, This Swim Suit Kids Keeps Your Child Comfortable In And Out Of The Water.It's Easy To Care For And Ideal For Pool Days Or Beach Holidays. Removable Pads For 13 Years And Above, No Pads For The Rest Of The Age Group

Comfortable Fit: JiAmy This Kids Swimming Costume Designed For Active Play, The Wide Adjustable Straps And Full-Coverage Back Provide A Secure, Supportive Fit That Stays In Place During Swimming And Beach Play. The Second-Skin Feel Ensures All-Day Comfort Without Digging Or Slipping.

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#TOP 8

LXEASYGO Girls Swimming Costume Girls One Piece Racerback Swimsuit Kids Sports Quick Dry Swimwear Sleeveless Bathing Suit 5-14 Years

LXEASYGO

Black

7-9 Years

LXEASYGO Girls Swimming Costume Girls One Piece Racerback Swimsuit Kids Sports Quick Dry Swimwear Sleeveless Bathing Suit 5-14 Years Cover

LXEASYGO Girls Swimming Costume Girls One Piece Racerback Swimsuit Kids Sports Quick Dry Swimwear Sleeveless Bathing Suit 5-14 Years (UK, Age, 7 Years, 9 Years, Regular, Black)

8.9

FTB Score

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Features

[Comfortable Breathable] This Kids Swimming Costume Is Made Of Nylon And Spandex,breathable And Quick Drying, Soft, Comfortable, Stretchy, Ensuring All-Day Comfort

[Fashion Design] Wide Shoulder Straps Relieve The Pressure On The Shoulder And Back, Stylish And Unique Cutout Design On The Back, Make It More Comfortable To Wear

[Suitable For All Occasions] Suitable For Swimming Training, Beach, Pool, But Also Suitable For Home Swimming Pool Parties, Outdoor Beaches

[Size] These Girls Swimsuit Fit For Girls Ages 5 -14, It Is Very Easy To Wear Due To The Excellent Elasticity

[Privacy Protection] Full Hip Coverage Design Protects Girl's Privacy

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#TOP 9

Xumplo Girls Swimming Costume Tween Girl One Piece Swimsuit

Xumplo

Bigg-2pc purple swimsuit

Purple

10-12 Years

Xumplo Girls Swimming Costume Tween Girl One Piece Swimsuit Cover

Xumplo Girls Swimming Costume Tween Girl One Piece Swimsuit with Shorts Young Girls Floral Swimwear Crew Neck Bathing Suit Purple 10-12 Years

8.8

FTB Score

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Features

Trendy Design: This Kids One Piece Swimwear With Shorts Features Floral Print And Crew Neck, Add Fashion And Comfy. The Flattering Design With Shorts Protects The Girl's Privacy While Showing Off Her Diverse Charms

Comfortable Fit: Our Floral Swimming Suits For Girls Are Made Of 82% Polyester Fibres And 18% Elastic Fibres. Skin-Friendly And Soft, Breathable And Quick-Drying. Make Your Sweetie Comfortable All Day Long

Washing Care: To Keep The Swimming Costume In Good Condition And For Long Term Use, We Recommend Hand Washing For The First Wash And Washing It Separately From Dark Colours. This Stylish Swimming Costume Is Also An Ideal Birthday Gift For Your Girls And Friends

Suitable Places: The Tween Girl Swimsuits Are Perfect For Swimming, Seaside, Beach, Pool Parties, Wark Sports, Swimming Lessons, Hot Springs, Holidays, Summer Vacations And Other Any Occasion

Age Range: Suitable For Girl Purple Bathing Suit 3-4 Years, Kid Swimwear 4-5 Years, Young Girl Floral Swimsuit 5-6 Years, Big Girl One Piece Beachwear 7-8 Years, Child Swimming Costume 9-10 Years, Tween Swimwear 10-12 Years, Teen Fashion Swimsuit 12-13 Years

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#TOP 10

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Cross Adjustable Straps Beach Bathing Suit

Ewbob

Lightpurple

13-14 Years

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Cross Adjustable Straps Beach Bathing Suit Cover

Ewbob Girls One Piece Swimsuit Quick Dry Swimwear Swimming Costume Cross Adjustable Straps Beach Bathing Suit for 5-14 Years(C18-004)-LightPurple-13-14Y

8.7

FTB Score

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Features

[Quick Drying] Girls One Piece Swimsuit Is Made Of Quick Drying Material, Light Weight And Breathable Fabric,comfortable To Wear

[Material] Girls Swimsuits Are Made Of 85% Polyester And 15% Spandex, The Fabric Is Soft And Durable With Excellent Stretch And Comfort To Ensure Freedom Of Movement

[Unique Pattern] The Swimsuit For Girl With The Fade-Resistant Colorful Patterns，make Your Girl Stand Out In Beachside Pool Settings，perfect For Summer Water Outings

[Unique Design] Swimming Costume Girls Has Adjustable Buckles And The Length Can Be Adjusted As Needed

[Occasion] The Kids Swimming Costume Is Perfect For Swimming, Surfing, Bathing, Beachwear Or Pool, Also Great For Learning To Swim

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Editor's Notes

During our breathable one-piece swimsuit for girls research, we found 171 breathable one-piece swimsuit for girls products and shortlisted 10 quality products. We collected and analyzed 9,182 customer reviews through our big data system to write the breathable one-piece swimsuits for girls list. We found that most customers choose breathable one-piece swimsuits for girls with an average price of £20.00.

The breathable one-piece swimsuits for girls are available for purchase. We have researched hundreds of brands and picked the top brands of breathable one-piece swimsuits for girls, including NautySaurs, newhsy, Ewbob, XiaoMoSha, Lancry.

Written by

John Zimmer

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.