The Wrinkle Free Silicone Adult Swim Cap is designed to accommodate both male and female athletes. The hypoallergenic swim cap is both durable and tear resistant. Engineered to provide a sleek construction, this training cap ensures a precise, yet comfortable fit during every lap. The Silicone Wrinkle Free Swim Cap is more than just a fashion statement. Designed with a precision wrinkle-free fit for reduced drag and tear resistance, our Swim Caps are made to slide on easily and stay on.