- Under Armour Girls' Size Chart - All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. - Supportive, stylish, and built for movement - the Under Armour® Kids Crossback Mid-Impact Sports Bra is perfect for active girls on the go. It features a scoop neckline, sleeveless style, super-soft elasticized band, and cross-back straps. Under Armour's mission is simple: to make you better. That means if you set a goal, we'll help you crush it. We do that with performance innovation and game-changing shoes, shirts, and digital tools that push the limits of what you thought possible. - Pull-on style. - Delivers strategic mid-impact support for training and sports. - Branding on the hem. - 100% polyester. - Machine washable. - Imported. - If you're not fully satisfied with your purchase, you are welcome to return any unworn, unwashed items in the original packaging with tags and if applicable, the protective adhesive strip intact. Note: Briefs, swimsuits and bikini bottoms should be tried on over underwear, without removing the protective adhesive strip. Returns that fail to adhere to these guidelines may be rejected.