Hanes Women's X-Temp Unlined Wirefree Convertible Back: 50% Nylon, 37% Polyester, 13% Spandex; Front Cup: 93% Nylon, 7% Spandex; Lining: 72% Nylon, 28% Spandex Imported Hook and Eye closure Hand Wash Patented x-temp for cool comfort all day 2 ply cup for shaping without the bulk