CUP, STRAP: 76% NYLON, 24% SPANDEX. INNER STRAP: 100% NYLON. FRAME LINING, STRAP PAD: 100% POLYESTER. BACK, FRAME, SLING: 91% NYLON, 9% SPANDEX. BACK LINING: 86% NYLON, 14% SPANDEX. STRAP LINING: 75% COTTON, 25% POLYESTER. EXCLUSIVE OF TRIM AND ELASTICS. MACHINE WASH COLD WITH LIKE COLORS. ONLY