im 17 with a small body, i got a XL and it fits perfectly

Nike
Big Kids' (Girls') Sports Bra
Shipping
You'll see our shipping options at checkout.The Nike Sports Bra has a racerback design that lets you move freely. Thick knit fabric with Dri-FIT technology helps you stay dry and comfortable.
- Shown: Black/Black/Black/White
- Style: BV1435-010
Nike
CLASSIC COMFORT. SNUG SUPPORT.
The Nike Sports Bra has a racerback design that lets you move freely. Thick knit fabric with Dri-FIT technology helps you stay dry and comfortable.
Benefits
- Nike Dri-FIT technology helps you stay dry, comfortable and focused.
- Racerback straps feel snug and supportive.
- Flat seams move smoothly against your skin.
Product Details
- Medium support
- Body/panels lining: 82% polyester/18% spandex. Elastic: 91% nylon/9% spandex. Front lining: 85% recycled polyester/15% spandex.
- Machine wash
- Imported
- Shown: Black/Black/Black/White
- Style: BV1435-010
Size & Fit
- Tight fit: snug and form-fitting
- Medium support: feels like a snug hold to keep everything in place
- Size Guide
Shipping & Returns
Reviews (51)
Reviews (51)
4.7 Stars
Ky458036421 - Oct 05, 2023
Great sport too
Nike User - Jan 03, 2022
My daughter is small and athletic couldn't be happier with this purchase perfect fit and great look
Great first sports crop
R Henson - Aug 14, 2021
Great fit even for petite 10 yr old girls, and esssntial

Nike
Explore Nike Sports Bras for Girls

Get That Fit on Point
First, make sure the straps stretch without pinching the skin. If the straps pinch, size up. Next, check the chest band—two fingers should fit between the body and the band. Lastly, try jumping. Feeling too loose? Size down. Minimal bounce? Feeling comfy and confident? You’re all set!
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How Nike Innovates for Girls
A lot goes into designing the perfect bra for growing girls. Learn more about how Nike innovates for girls and how to find the right bra for her on our Behind the Design page.