The Dominique Zoe Pro Max Support Sports Bra 6100 features encapsulated, lightly padded underwire cups and a tall front for containment and support. Wide, padded straps adjust in back. A J-hook creates an instant racerback. Hook-and-eye back closure. Dominique's Zoe Pro Max Support Sports Bra with Adjustable Back is made of cotton/nylon/spandex.