Best Bikini Underwear for Girls of 2026

Name: Sunvivid Teen Girls Breathable Lace Briefs
Brand: Sunvivid

John Zimmer

Last Updated: 10 Feb 2026

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Bikini underwear is a popular choice among girls for its comfortable and stylish design. Made from soft and breathable fabrics, these undergarments provide a snug fit without sacrificing comfort. They come in a variety of colours and patterns, allowing girls to express their personal style. With their low-rise waistline and minimal coverage, bikini underwear is ideal for wearing under tight-fitting clothing. Whether for everyday wear or special occasions, these underwear options are a reliable choice for girls looking for both comfort and style.

At a Glance: Our Top Picks

#TOP 1

Sunvivid Teen Girls Breathable Lace Briefs

9.8

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Sunvivid Teen Girls Breathable Lace Briefs

#TOP1

9.8

Read Review

#TOP 2

Bonds Girls' Underwear Bikini Brief

9.7

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Bonds Girls' Underwear Bikini Brief

#TOP2

9.7

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#TOP 3

Bonds Girls' Underwear Bikini Brief

9.5

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Bonds Girls' Underwear Bikini Brief

#TOP3

9.5

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Top 10 Bikini Underwear for Girls

#TOP 1 Best Modal Underwear for Girls

Sunvivid Teen Girls Breathable Lace Briefs

Sunvivid

Multicolor 1

13-15 Years

Sunvivid Teen Girls Knickers 12 Pack Lace Briefs Breathable Underwear Middle Waist Hipster Bikini Kids Soft Stretch Underpants for 8-18 Years

9.8

FTB Score

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The Sunvivid Girls Knickers are designed for comfort and style, making them perfect for daily wear. Crafted from soft, breathable Modal fabric, these knickers provide a snug fit without irritating your skin. The double-layer wide crotch ensures full coverage and prevents bunching, keeping you dry and comfortable throughout the day. With a seamless design, these knickers won't show under your clothes, allowing you to feel confident and attractive. Plus, the tag-free feature means no scratchy labels to worry about, making these knickers a hassle-free choice.

What We Like

Soft and breathable fabric

Full coverage and comfort

Seamless design for no show

Tag-free for irritation-free wear

#TOP 2

Bonds Girls' Underwear Bikini Brief

Bonds

UWCE5A

Black (5 Pack)

14-15 Years

Bonds Girls' Underwear Bikini Brief, Black (5 Pack), 14-15 Years

9.7

FTB Score

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Features

Comfortable, Branded Soft Elastic Waistband And Prefold Leg Elastics

Girls Bikini Brief In A Handy Four Pack Featuring Cute And Fun Designs

Perfect Girls Underwear For Toddlers Through To Teenagers

Made With Soft Cotton For Maximum Comfort

Cotton

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#TOP 3

Bonds Girls' Underwear Bikini Brief

Bonds

UWCE5A

Black (5 Pack)

12-13 Years

Bonds Girls' Underwear Bikini Brief, Black (5 Pack), 12-13 Years

9.5

FTB Score

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Features

Comfortable, Branded Soft Elastic Waistband And Prefold Leg Elastics

Girls Bikini Brief In A Handy Four Pack Featuring Cute And Fun Designs

Perfect Girls Underwear For Toddlers Through To Teenagers

Made With Soft Cotton For Maximum Comfort

Cotton

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#TOP 4

Modibodi Period Pants for Teenagers - Girls Hipster Bikini 50ml Super Absorbency Knickers

Modibodi

Black

10-12 Years

Modibodi Period Pants for Teenagers - Girls Hipster Bikini 50ml Super Absorbency Knickers Cover

Modibodi Period Pants for Teenagers - Girls Hipster Bikini 50ml Super Absorbency Knickers - Black Y10-12

9.5

FTB Score

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Features

Absorbency: 50ml = 10 Tampons Or 10 Teaspoons. Style: Meet Our Signature Teen Hipster Bikini, Now Available With Super/overnight Absorbency, Ideal For Heavy Periods And Overnight Wear.

Our Period Knickers Have An Outer Material Made Of 95% Organic Cotton / 5% Elastane, And An Absorbent 3-Layer Gusset. The Top Layer Of The Gusset Is Made From 100% Merino Wool, The Middle Layer Is Made From 80% Polyester / 20% Polyamide, And The Bottom Layer Is Made From 100% Polyester To Provide A Waterproof Seal For Maximum Leak-Proof Protection.

To Activate Your Modibodi's Pants Magic Powers, Wash Before Use. Care Recommendations: We Recommend Washing On A Gentle Cycle, Cold Machine Wash, And Hanging To Dry For A Sun-Kissed Feel. No Fabric Softeners And Strong Detergents. No Tumble-Drying Or Exposure To High Temperatures. Do Not Soak. Once Dry, Store Your Modibodi Garments In A Dry Laundry Bag.

Our Leak-Proof Underwear Feature A Quick-Drying Microfibre Middle Layer/s That Absorbs Fluid – And Locks It Away. Even Better, Our Technology Controls Odour To Keep You Feeling Fresh.

Our Girl's Underwear Offer Reliable Protection Against Heavy Bleeding For Overnight Use, And Longer Wear. Sleep Soundly With Clean Sheets And Zero Fear Of Leaks. Modibodi Period Underwear Feels Like Regular Underwear But Is Reusable, Sustainable, And Better For The Planet (and Your Body). It's The Perfect Alternative To Disposable Pads, Liners, Or Tampons.

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#TOP 5

Sunvivid Teen Girls Seamless Underwear No Show Panties 6 Pack Invisible Briefs Plain Zero Feel Bikini

Sunvivid

8-10 Years

Sunvivid Teen Girls Seamless Underwear No Show Panties 6 Pack Invisible Briefs Plain Zero Feel Bikini for 8-18 Years

9.5

FTB Score

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Features

Comfortable Fabric & Zero Feel: Made From Soft, Quick-Drying Nylon, Our Girls' Underwear Offers A High-Stretch, Comfortable Fit That Hugs Like A Glove. The Incredibly Smooth Texture Ensures Your Girl Feels As If She's Not Wearing Anything At All, Providing Ultimate Comfort Throughout The Day.

Seamless Design & Invisible: Our Sideless Underpants Are Crafted To Remain Discreet Under Clothing, Ensuring A Smooth, Polished Appearance. Enjoy The Confidence Of A Flawless Look With No Visible Lines, Making Them Perfect For Any Outfit.

Wardrobe Essential: This Pack Of Six Pure Color Big Girls Bikini Underwear Is An Essential Addition To Your Teen's Wardrobe, Offering A Mix Of Style And Practicality For Everyday Wear Or Special Occasions. If You Usually Like To Wear Light-Colored Pants, It Is Recommended To Choose White.

Suitable Objects: This Knickers Is Not Only Suitable For Teenage Girls, But Also For Slim Women. 8-10 Years Fit Waist 19.69inch And Weight 66-88lb; 10-12 Years Fit Waist 20.47inch And Weight 88-99lb; 12-14 Years Fit Waist 22inch And Weight 99-110lb; 14-16 Years Fit Waist 23.62inch And Weight 110-121lb; 16-18 Years Fit Waist 25.2inch And Weight 121-132lb

Pure Cotton & Double-Layered Crotch: Experience The Perfect Blend Of Health And Comfort With Our Double-Layered Gusset Made From Pure Cotton. These Boyshorts Are Ideal For Teen Girls, Providing Long-Lasting Wear For Daily Activities Or Sports. With Advanced Deodorant Technology And A Breathable Design, They Keep You Dry And Comfortable All Day Long.

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#TOP 6

Fruit of the Loom Girls' Cotton Bikini Underwear

Fruit of the Loom

10GBKA2

6 Years

Fruit of the Loom Girls' Cotton Bikini Underwear Cover

Fruit of the Loom Girls' Cotton Bikini Underwear, 10 Pack - Fashion Assorted, 6

9.4

FTB Score

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Features

Full Seat Coverage

Extra Soft, Plush

International Products Have Separate Terms, Are Sold From Abroad And May Differ From Local Products, Including Fit, Age Ratings, And Language Of Product, Labeling Or Instructions.

100% Cotton Liner

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#TOP 7

Sunvivid Soft Seamless Knickers for Teen Girls

Sunvivid

16-18 Years

Sunvivid Teen Girls Knickers Soft Fast Dry Underwears Mid Waist Briefs Hipster Comfortable Panties Underpants for Age 16-18 Girls and Slim Women - Pack of 8

9.2

FTB Score

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The Sunvivid Teen Knickers offer exceptional comfort with their soft, breathable fabric, designed to fit like a glove. With a double-layer wide crotch, these knickers provide full coverage and remain in place, making them ideal for daily wear or sports. Their seamless design ensures that you won't experience any visible lines, allowing you to wear them confidently under tight clothing. Additionally, the high stretch material ensures you stay comfortable throughout the day, without feeling restricted.

What We Like

Soft and breathable fabric

Full coverage design

Seamless for a smooth fit

High stretch for comfort

#TOP 8

Calvin Klein Girls’ 5 Pack Bikini Briefs

Calvin Klein

G80G800740

14-16 Years

Calvin Klein Girls’ 5 Pack Bikini Briefs Cover

Calvin Klein Girls’ 5 Pack Bikini Briefs with Logo Waistband, Multicolor (Lghtllc/Rndnc/Baprct/Pvhwht/Pvhblk), 14-16 Years

9.0

FTB Score

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Features

COMFORTABLE: The Stretch Fabric Ensures These Mid Rise Knickers Sit Comfortably On Your Hips. The Calvin Klein Logo Waistband Completes The Must-Have Design.

STYLISH: These Original Calvin Klein Briefs With CK Branding Fit Your Body Perfectly. They're The Ideal Pair For Both Sport And Everyday Wear.

MATERIAL & CARE: The Briefs Are Made From 95% Regenerative Cotton And 5% Elastane. They Are Machine Washable And Suitable For The Tumble Dryer.

EXCITING & NEAT: Created In 1968, The Calvin Klein Lifestyle Brand Is Known For Its Signature Look And Has Been Inspiring The Fashion World Ever Since. The American Brand Is All About Minimalist Aesthetics.

CLASSIC: These Items Boast Simple Yet Supremely Comfortable Designs. Their Excellent Fit Makes These Briefs Must-Have Items.

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#TOP 9

Modibodi Teen Hipster Bikini Moderate Black Y16-18

Modibodi

Black

16-18 Years

Modibodi Teen Hipster Bikini Moderate Black Y16-18

8.9

FTB Score

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Features

3 Layer Lining - The Top Layer Of These Period Bikini Underwear Is Made Of Merino Wool That Wicks Away Moisture And Is Soft On Skin . Our Quick-Drying Microfibre Middle Layer Absorbs Fluid – And Locks It Away. A Waterproof, Breathable Bottom Layer Provides Additional Leak-Proof Protection For The Ultimate Peace Of Mind.

Moderate Absorbency: Our Teen Bikini Period Underwear Has A 3 Layer Lining With Moderate Absorbency Capable Of Holding 30ml, The Equivalent Of 6 Light Tampons, To Keep Your Teen Safe From Leaks When They're On Their Period

Our Period Panties Are An Eco-Friendly Alternative To Disposable Pads, Tampons And Panty Liners. The Outer Material Is Crafted From Soft And Breathable OEKO-TEK 100 Standard 100 Certified Organic Cotton.

Ideal Everyday Style: This Cute Cut Hipster Bikini Is Perfect For Everyday Use, So You Can Ditch Disposable Pads And Tampons And Get On With School, Sports, Sleepovers And More, Feeling Comfy, Confident And Protected.

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#TOP 10

Hanes Ultimate Girls' Supersoft Bikini Briefs & Hipsters

Hanes

GUSSKA

Hanes Ultimate Girls' Supersoft Bikini Briefs & Hipsters, Bikini - Purple/White/Peach 6-pack, 10

8.9

FTB Score

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Features

SUPERSOFT FABRIC - Our Softest Fabric EVER Made From Ultra-Soft, Modal Stretch Rib Fabric.

BE YOURSELF IN HANES ORIGINALS - Styles And Silhouettes Designed For The Modern Kid In New SuperSoft Styles Made With Ultra-Soft Fabrics.

TAG FREE - Smooth Tag-Free Design Helps Reduce Itching And Irritation Caused By Tags.

STRETCH & FLEX - A Comfort Flex Waistband Moves And Stretches With Her.

LIGHTWEIGHT COMFORT - Moisture-Wicking Fabric Helps Her Stay Cool And Comfortable.

ASSORTED PACK - Available In A Convenient 6-Pack Of Assorted Color Bikini Underwear.

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Editor's Notes

During our bikini underwear for girls research, we found 306 bikini underwear for girls products and shortlisted 10 quality products. We collected and analyzed 3,395 customer reviews through our big data system to write the bikini underwear for girls list. We found that most customers choose bikini underwear for girls with an average price of £20.00.

The bikini underwear for girls are available for purchase. We have researched hundreds of brands and picked the top brands of bikini underwear for girls, including Sunvivid, Bonds, Modibodi, Fruit of the Loom, Calvin Klein.

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.