79% Nylon, 21% Elastane Imported RACE DAY PERFORMANCE: FINA-approved with cutting edge technolgy for to help achieve your Personal Best HYDROSPHERE TECHNOLOGY: Water surrounds the fabric, enhancing body postion in the water. MID GRADE COMPRESSION: Helps to maximize core stabilization and support FLEX BONDED SEAMS: Conform and stretch with the athlete's body to provide a durable, 360 degree stretch and uninhbited mobility. 16MM SUPERSONIC FLEX BONDING: Advanced engineering allows fully bonded seams to conform and stretch with the swimmer’s body, resulting in a precisely fitted, ultra compressive suit that won’t restrict natural movement.