Champion Women's X-Back Sports Bra Body: 87% Polyester, 13% Spandex; Liner: 87% Polyester, 13% Spandex; Mesh: 90% Polyester, 10% Spandex; Power Mesh: 83% Nylon, 17% Spandex Imported Pull On closure Machine Wash Double dry moisture management technology Compression Novelty back design