Crafted to cut through water, high-stretch silicone material is durable and hydrodynamic with a textured lining that stays put. Chlorine-resistant and hypoallergenic, the Nike Swim silicone cap keeps up with you over long miles in the lanes. Benefits:Textured lining helps increase traction for a secure fit. [] Product Details:Hypoallergenic, high-stretch silicone material. Chlorine resistant. Silicone. 1. Rinse in cold water and wipe inside and out after every use 2. Do NOT leave exposed in direct sunlight 3. Keep in perfect condition with a light sprinkling of talcum powder 4. Avoid contact with sharp objects (ie:earrings, fingernails, etc.) DO NOT DRY CLEAN. Style: NESSG121; Color: Black/White/Silver/White; Size: One Size; Gender: Unisex; Age Group: Adult | Nike Swim Silicone Cap in Black, Size: One Size | NESSG121-011