COMPRESSION & SUPPORT: The sports bra for women utilizes a snug compression fit, providing medium support for a variety of training activities. RACERBACK DESIGN: Straps create stabilizing tension, helping to minimize bounce during multidirectional movement. The sports bras' racerback straps allow for a full range of motion. JERSEY MATERIAL: The sports bra has an outer body and inner lining made of jersey material. The sports bra pulls sweat away from the skin to keep you dry and comfortable. COMFORTABLE FIT: The women's sports bra has an elastic encased chest band that feels soft against the skin and provides a secure and comfortable fit. Nike Pro Bra. The Nike Pro Women's Sports Bra is an extremely comfortable bra for the one part of our body we don't want to move.Nike's Pro Bra is engineered for athletes who go the extra mile. Constructed with a moisture-wicking weave and Dri-FIT technology.The compression fit supports while nylon stabilizers in the straps reduce stretch for extra support and less bounce.Low-profile bonded seams create a smooth, streamlined look and reduce irritation caused by chafing.Screened Nike Swoosh at center chest. 84/16 polyester/spandex with 100% polyester mesh.Best for A, B and C cups.