Mckillop U/W POWER 1.5 JOCK is a low cut collection designed with a large expandable pouch that enhances your natural movement; provides essential support and extraordinary lift. Mckillop's sheer, breathable mesh cups and holds you in place with snug leg straps to enhance your back end. The backless design allows your dress pants, jeans or exercise gear to hang in a more natural position, showcasing your finer assets. 88% Nylon 12% Spandex. Machine Wash Cool or hand wash. Hang dry. Do not iron or bleach.