Champion Women's All-Out Support Bra Outer Cup: 76% Nylon, 24% Spandex; Strap Extension: 76% Nylon, 24% Spandex; Cup Lining: 100% Polyester Imported Pull On closure Machine Wash 2 layers of outer cup doubles the support and offers more opacity Wide cushioned adjustable straps anchor and support Rigid lining controls movement Key mesh placements ensure ventilation Special laminated panels on back allow for stretch and stability where you need it most