Reebok Women's Performance Laser Rings Recharge Back 1 Piece Swimsuit 100% Spandex 77% nylon, 23% spandex Exclusive Reebok Silver Lining inhibits bacterial growth Recharge back has 1/2 inch crossback straps provides a fully supportive, clean, flat profile and comfortable performance. Hand wash in cold, do not bleach, line dry, do not iron Designed with high quality fabrics to last longer in the harsh environment of a competition pool