NWT NIKE Hydrastrong Fastback One Piece Blue Swimsuit Size 14 Hydrastrong Fastback One Piece swimsuit by Nike. Midnight Navy blue color with a white Nike swoosh. 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 and a heat transfer swoosh. Nike hydrastrong fabric provides long-lasting durability, swim after swim. Fast Shipping