Have a Nice Day! This Hypoallergenic Swim Cap is super soft, lightweight, anti-slip and easy to take on and off. It protects your hair, while simultaneously reducing drag in the water and maximizing your speed. Product Specs: 100% SiliconeMake every swim streamlined in the TYR Have A Nice Day Silicone Adult Swim Cap.Durable and hypoallergenic, the LCSMILEY is built with a silicone construction and designed to reduce drag. Engineered to resist tearing and provide long-lasting color, TYR silicone swim caps are ideal for casual use, competition and training and can be used by both men and women.For Ages 16+