The Kids Underwear Style Guide

What’s the difference between briefs and bikinis? What about boxer briefs and boxers? Figuring out what style of underwear to buy for your child can be tricky. 

Check out our illustrated guide below to find the best style for your child.

For help with sizing, see our Size Guide.


Girls Underwear Styles


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Girls Brief

With a mid rise that sits just below the waist, the girls brief style provides full rear coverage, which helps the undies stay in place and prevent ride up. Briefs provide more coverage than bikinis and less coverage than boyshorts. Shop Girls Briefs.

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Girls Bikini

With a lower rise that sits at the hip and moderate rear coverage, the bikini style is perfect for minimalist girls who find that briefs have too much fabric. With a lower waistband placement, bikinis feel less bulky when worn under leggings and other elastic-waisted bottoms. Shop Girls Bikinis.

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Girls Boyshort

With a high rise that sits at the waist and full back coverage, the boyshort style has a longer leg length than the brief, which helps prevent ride-up. Boyshorts are a great choice for girls who prefer more coverage than the brief style, or who want undies that will stay in place. Shop Girls Boyshorts.

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Girls Shortie

With a high rise that sits at the waist, the shortie style provides maximum coverage. Essentially a hybrid between underwear and shorts, shorties have a longer leg length than both briefs and boyshorts, which helps prevent wedgies. Perfect for wearing under skirts and dresses for modesty. Shop Girls Shorties.


Boys Underwear Styles

Boxer Briefs

Learn more

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Boys Brief

With a secure and snug fit, the boys brief style provides moderate coverage. Since the leg openings sit higher than those of boxer briefs and boxers, briefs allow for easy movement and support without feeling bulky. Shop Boys Briefs.

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Boys Boxer Brief

With a secure and snug fit, the boxer brief style provides full coverage, with a longer leg length that prevents ride-up and bunching. Ideal for the boy who wants more coverage than a brief, but doesn’t like the relaxed fit of boxer shorts. Shop Boys Boxer Briefs.

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Boys Boxer

With a relaxed fit, the boxer style provides maximum coverage. This style has a longer leg that is designed to wear loosely without any leg elastic or snug hem. Perfect for lounging and relaxing, this is the best style for boys who find the brief and boxer brief too restrictive. Shop Boys Boxers.