The Nike Swoosh Sports Bra is created with tight, stretchy fabric to keep you contained and comfortable during jumping, running or lifting. A racerback design lets you move naturally when you're getting after it. Dri-FIT technology pulls sweat away from your skin to help you stay dry and comfortable. Racerback design lets you move naturally through your workout. Flat seams feel smooth against your skin. Bra offers support for medium-impact activities like gym workouts, spin, cross training, tennis and running. Tight fit for a body-hugging feel Non-padded Body/lining: 82% recycled polyester/18% spandex. Elastic: 49% recycled polyester/26% nylon/25% rubber. Machine wash