Hanes Women's Ultimate X-Temp Foam Wire-Free Cup, Center Belt Lining, Frame, Strap Extension: 49% Polyester, 39% Nylon, 12% Spandex; Cup Pad: 100% Other Fibers; Inner Center Belt, Strap Extension Lining: 100% Nylon; Inner Cup Linings: 93% Polyester, 7% Spandex; Sling: 85% Nylon, 15% Spandex Imported Hook and Eye closure Hand Wash Moisture-Wicking lining helps keep you dry Cooling x-temp technology helps keep you comfortable