SEAMLESS SUPPORT. Girls' Nike sports bra features a seamless design and a ribbed hem that helps the bra stay in place. Its high neckline and no-slip straps stay on your shoulders for all-day coverage and comfort. Dri-FIT technology helps keep you dry and comfortable. Seamless design feels smooth against your skin. No-slip straps stay on your shoulders. Racer-back design allows a full range of motion. Stretch ribbing around the rib cage enhances durability and comfortable support. Higher neckline provides a modest silhouette. Jacquard Swoosh design trademark at centre-front for durability. 58% Nylon, 25% Polyester, 17% Elastane.