Material: 92% polyamide, 8% elastane. Medium impact sports bra. SeamSmart technology. Q-Wic plus seamless nylon/elastane or polyester/elastane knitted fabric. odor control treatment. Good wicking performance. Quick drying. Removable pads. Racer back design. Chest sizes to fit: (XS): 30-32in, (S): 34in, (M): 35-38in, (L): 39-42in.