"Breathability: The outer material is polyamide, and the inner is spandex fiber, which is breathable and odorless.Protect Hair: High-quality swimming caps are easier to wear, help reduce drag, keep hair in place while swimming, and protect hair from sun, dirt or salt water.Comfort: The elastic material allows this swimming cap to stretch easily for the best fit. It can be used comfortably by both men and women to adapt to different head circumferences.Easy to Wear: Unlike ordinary silicone swimming caps, this cap is easier to put on and take off, saving time and effort.Versatile: These swimming caps are suitable for women, men, and can be used for breaststroke, backstroke, butterfly stroke, daily swimming or bathing, etc. Make your swimming activities more convenient."