Women's Nike Pro Classic Kaleidoscope Sports Bra CONFIDENT SUPPORT. CLASSIC SHAPE. Nike Pro Classic Kaleidoscope Sports Bra features a compression fit for medium support during a variety of training activities. Straps create stabilizing tension, helping to minimize bounce during multidirectional movement. Jersey fabric is made of recycled polyester and spandex and features Dri-FIT technology that pulls sweat away from the skin to the surface of the fabric where it evaporates quickly to help keep you dry and comfortable. Compression fit offers medium support for a variety of activities. Brushed chest band offers an incredibly soft, secure fit. Racerback straps allow for a full range of motion.