The Nike Pro Women's Sports Bra has sweat-wicking fabric and nylon stabilizers for lightweight comfort. With a low-profile and a racerback design, this sports bra lets you move naturally. Compression fit offers exceptional support. Lightweight chest band delivers a comfortable fit. Dri-FIT fabric helps keep you dry and comfortable. Low-profile bonded seams on the straps and sides for a smooth feel and a streamlined look. Racerback design for enhanced range of motion. Body (solid): Dri-FIT 285g. 88% polyester (100% recycled) 12% spandex plain jersey. Inner bra: Dri-FIT 285g. 88% polyester (100% recycled) 12% spandex plain jersey.