Polyester/spandex Pull On closure Hand Wash Only FIT: Sizes correlate to your bust size, but these suits are built with speed in mind. If you are looking for comfort rather than speed size up at least one size. Junior Sizes: 28 = size "1", 30 = 3, 32 = 5, 34 = 9, 36 = 11, 38 = 13, 40 = 148 Performance Cut: Our highest leg cut hits above hip. No bra or other construction inside. 91% polyester/ 9% spandex No bra inside, high cut leg, runs small