Dragonwing girlgear Girls&rsquo; Seamless Keyhole Back Sports Bra 80% Nylon/20% Spandex Imported Specifically designed for tween and teen girls aged 8-17 Narrow straps and double-layered coverage provide ample support for a variety of sports activities Moisture-wicking fabric, made with fine-gauge yarn and bamboo for softness Tag-free to prevent chafing, plus extra wide band to prevent riding up Made in USA, Spandex & Lycra