NWT Harper Wilde Flex Convertible Sports Bra High Impact Sports Bra Black Size XL No matter how you choose to move in this ultra-soft convertible sports bra, your boobs won’t go anywhere. It’s designed for the perfect amount of compression, comfort, and support — stretchy enough to fit, but not too rigid to get it on or off. 74% Nylon, 26% Lycra (Elastane) Machine wash cold, gentle, with similar colors Tumble dry normal