55% Nylon , 40% Polyester , 5% Spandex

Copper Fit™ Racerback Zip-Front Sports Bra Live limitless, as this racerback design states, in a sports bra that allows unrestricted movement and enough support for high-impact activities. It features a locking zipper and hidden hook closure for added security, and removable cups so you can control the curve factor. Copper technology helps wick sweat to keep you dry and comfortable.