Nike Swim Women's Hydrastrong Fastback One Piece swimsuit is made of Nike HydraStrong fabric to ensure long lasting durability. The flat seams reduce chafing, while the wide straps are ideal for higher impact activity. All of these features as well as the standard bottom coverage make this swimsuit perfect for all water activities. HIGH SUPPORT -Wide straps ideal for higher-impact activity. STANDARD BOTTOM COVERAGE -Standard coverage that's great for all water activities. FULLY LINED for better fit and support FLAT SEAMS for reduced chafing Nike HydraStrong fabric provides long-lasting durability, swim after swim Heat transfer Swoosh