Champion Women's Fitness Cami Sports Bra 100% Cotton sports-bras closure Body: Solid Colors: 87% Cotton, 13% Spandex. Heather Colors: 79% Cotton, 12% Spandex, 9% Polyester. Power Mesh Insert: 85% Nylon, 15% Lycra Spandex. Liner: 90% Polyester, 10% Lycra Spandex. Chafe resistant flat seams Racerback with adjustable straps Machine washable Imported