Hook and Eye closure Workout bra with wire for high impact activities Minimize bounce thanks to foam-lined underwire cups Encapsulated cups adds support and avoids uni-boob Moisture-wicking, high performance fabric and mesh Back adjustable stretch straps with stylish racerback detail This sports bra with racer back provides good performance. It supports you well and keeps you cool during your workouts. Padded straps relieve pressure on shoulders. Back closure to offer better fit.