Seamless Clear Back Bra Slip on our best-selling Clear Back Bra for seamless support under active wear. Features a detachable, clear back strap that will avoid outfit clashing under leotards and costumes. Made of a nylon and spandex blend that is soft and moisture-wicking. The anatomical contouring adds shape and creates a smooth profile under layers. Available in adult sizes only. Product Features: 90% Tactel Nylon, 10% SpandexModerate scoop frontDance Dry wicking performanceDouble-layeredAdjustable shoulder strapsClear back strapMachine wash cold, delicate cycle, hang dry