Train/Race/competition Lycra Blend Learn to Swim Superpro Swimsuit Imported fabric from Carvico, Italy. Chlorine resistant and UV resistant(UPF:50+). Fit engineered from body scan data resulting in an optimum biomechanic fit. Exclusive compression fabric reduces muscle oscillation and skin vibration. Our top competitive back, featuring a lower back and higher cut offers ultimate freedom of motion. Back styling is the world's best selling back for competitive swimming.