Support YOU CAN Count ON. With wide, comfy straps in a classic racerback design, the Nike Dri-FIT Swoosh Sports Bra feels snug and secure while you move. Smooth, lightweight fabric wicks sweat to keep you dry, comfortable and focused. For every rep, step and jump - know that you're supported. This product is made with at least 50% recycled polyester fabric. Dry Design: Stretchy fabric with Dri-FIT technology helps keep you dry and comfortable. Made to Move: The racerback rests between your shoulder blades to let your arms move freely. It looks and feels good on its own or as a layer. Tight fit for a body-hugging feel. Pullover design. 72% Polyester, 28% Elastane.