This Nike Hydrastrong Solid Cut-Out One Piece swimsuit is a great choice for fitness and club swimmers that require a durable swimsuit for regular pool use. It offers light bust support, minimal back coverage and a high leg style for a greater range of motion. Designed to have the greatest amount of back exposed for increased comfort, range of motion and style The flat seams and full lining add to the comfort factor in this women's swimsuit. Nike's HydraStrong fabric, is a highly durable material that provides long-lasting comfort and performance. The composition of this material is 53% polyester and 47% PBT, which makes the fabric resistant to chlorine, sunlight and salt water. Features: Chlorine resistant Cut-out back style with thin shoulder straps High Leg style Quick drying Lined for comfort and modesty. 53% Polyester and 47% PBT.