Be ready for any race or intense practice with the Nike Hydrastrong Solid Cut-Out One Piece! Hydrastrong fabric provides long-lasting durability, while the full liner and flat seams provide a better fit and reduce chafing. Regular straps work for a wide range of sizes and activity, offering medium support. The exposed back and minimal bottom cut ensure great style, range of motion, and solid comfort. 53% Polyester - 47% PBT 100% Polyester lining Nike Hydrastrong fabric Medium support, Minimal bottom coverage Fully lined, Flat seams