Jockey Women's Activewear Medium Impact Wicking Seamless Bra 74% nylon/ 18% polyester/ 8% spandex. Machine wash and dry. Imported. Style 671000 take your workouts to the next level of fashion and fun sports bra s seamfree, racerback construction creates a smooth, no-chafe fit moisture-wicking fabric blend keeps you cool and dry medium impact bra is fully lined with built-in bra cups for shape and support