HanesSport Performance Molded Sport Bra Center Front, Strap Extension Linings: 100% Nylon. Side Back, Center Front: 89% Nylon, 11% Spandex. Back Strap Extension, Cup: 76% Nylon, 24% Spandex. Exclusive of trim and elastics. HanesSport Performance Molded Sport Bra Fiber Content: Center Front, Strap Extension Linings: 100% Nylon. Side Back, Center Front: 89% Nylon, 11% Spandex. Back Strap Extension, Cup: 76% Nylon, 24% Spandex. Exclusive of trim and elastics. Country Of Origin: USA or Import