Nike swim hats nike performance solid silicone swimming cap university red durable, hydrodynamic silicone built for serious lane work. Built to glide through water, the high-stretch silicone material is durable and hydrodynamic with a textured lining that stays put. Chlorine-resistant and hypoallergenic, this world aquatics-approved cap keeps up with you over long miles in the lanes. The textured lining helps increase traction for a secure fit, so you can focus on your stroke rather than adjusting your cap. Built to glide. Built to last. World aquatics approved chlorine resistant hypoallergenic silicone high-stretch fit textured lining 3 key features hydrodynamic silicone the high-stretch silicone material is engineered to cut cleanly through water with minimal drag. Its smooth outer surface reduces resistance with every turn and length. Whether you are training or competing, the cap holds its shape stroke after stroke. Secure, comfortable fit a textured lining grips the head to prevent slipping during hard efforts and flip turns. The high-stretch construction moulds to different head shapes without pulling or pinching. You get a confident fit that stays in place over long sessions. Built for the long haul chlorine-resistant silicone holds up to regular pool use far better than latex alternatives. The hypoallergenic material is gentle on sensitive skin, making it suitable for daily swimmers. World aquatics approval confirms it meets competition standards as well as traini...