Start low, go high. The ideal layer for just about any workout, the Nike Dri-FIT Swoosh Zip-Front Sports Bra takes the classic design to the next level with fabric made from at least 75% recycled polyester fibers. It's easy to get on and off, while the semi-auto lock zipper helps keep it from coming unzipped. It also helps keep you cool with breathable mesh on the back. For every rep, step and jump—know that you’re supported.