Craft Women's Sport Specific Bike Windblock Bra polyester 83% polyester, 17% lycra/95%polyester, 5% lycra/92% polyester,8%ePFTE The Craft COOL fabric is a very quick fry fabric keeping the soggy bra to a minimum. Ergonomically shaped straps for ultimate comfort on the bike. wash with smiliar colors, do not use softner, wash inside out, tunble dry low, do not iron China