Aviana Minimizer Underwire Bra (2460) Nylon bra|Spandex bra 89% nylon, 11% Lycra spandex Country of Origin: Imported Underwire cups are lined and free of padding, cookies, and support panels. Center front is 2-1/8" tall. Straps are 1-3/8" at widest point and attach to 3/4" elastic back of strap that adjusts in back with metal hardware. Leotard back.