Brooks Moving Comfort Uplift Crossback C/D Cup Medium Impact Sports Bra (300616). Run or work out without having to worry about bounce. Made of polyester, nylon and spandex. Wireless, contour cups are perforated for easy-breathing airflow. Covered elastic trim along neckline and sides of cups. Unlined cup interior. Wide, covered elastic underband. DriLayer moisture wicking. Ventilated panels as part of back and back of straps. Stretch fabric straps are wide, with silky, solid knit at front and ventilated sports mesh at back. Crossover racerback strap design adds support and gives a wide range of shoulder motion. Keyhole at back, just above closure. Sides and back have 2-ply construction and covered elastic at edges for a great fit. Coated metal S-hook in back. Reflective Brooks Moving Comfort logo on left cup.