Sports Bra: Made of Nylon and Spandex. The fabric of this sports bra is very soft, stretch, breathable and moisture wicking. This superior quick dry moisture wicking technology keeps you cool and lasting comfort in sports. Professional Design: Fitness yoga bra with elestic shoulder strap. Criss cross back design allows a range of movement, offering great shape retention and back support. Wide underbust band provides secure coverage and support.