Level up your racing with a next-generation swim cap. Our Aquaforce Wave Cap is made from silicone with a wavy structural design to reduce drag up to 27%. The inside of the cap has anti-slip technology to prevent it from riding up and slipping off as you are powering down the lane. Neatly decorated with our name and graphic embellishment. NCAA, NFHS and FINA Approved.RacingCreated for precision and hydrodynamic performance in the water.Reduced dragStreamlined design with a smooth surface to minimize friction in the water.100% siliconePure silicone without fillers which makes it superior for a waterproof seal.Material composition100% SiliconeCare InstructionsIn order to ensure that your Arena product provides you with the best possible performance for a long time to come, we recommend you take the following precautions:rinse immediately after use, in non-chlorinated water;do not leave the wet product in a bag or other container for a long time;do not expose the wet item in a bag or other container to direct sunlight;air-dry away from heat sources.