ON A HIGH. The Nike Rival Sports Bra features our highest support that highlights your natural shape. It has a breathable mesh racerback, adjustable straps and a two-row hook-and-eye back closure provide a comfortable, personalised fit. Cups highlight your natural shape. Mesh back for breathability where you need it. Adjustable straps and back clasp for easy on and off. Dri-FIT technology helps keep you dry and comfortable.