|Berlei Ultimate Performance Contour Underwire Sports Bra (Y599W). This cropped underwire sports bra is great for high impact sports. Features convertible straps and moisture wicking fabric so you stay cool and dry. Made of nylon/elastane. Contour underwire cups have light padding for shape and support and are perforated for breathability. Covered elastic underband gives added support. Moisture wicking fabric on cushioned shoulder straps, under cups, and body band. Center panel - tall, compression and encapsulated styling helps contain breasts and prevent bouncing. Tall, 2-ply, seamed sides and back feature encased elastic along top and bottom edges for a custom fit. Reduces bounce by up to 60%. Convertible, wide-set, non-stretch, cushioned front straps attach to elastic straps that adjust in back with coated metal hardware. Straps convert from traditional to a crossed back style and also have a J-hook to pull straps together in back for a racerback. Swivel shoulder clasps respond to your every move. Interior small pouch on left cup to hold your heart monitor or MP3 player. Back coated metal hook-and-eye closure, see Fitter's Comments below for hook count. High impact construction is great for running, kick boxing and other high intensity activities.