Description:The skull cap is made of 90% polyester and 10% spandex blend,soft, breathable, skin-friendly, lightweight and elastic,keeping your dry and comfortable.Excellent Thermal Retention and Performance Moisture Wicking:Wicks moisture and dries quickly, keep you warm on the cold weather and keep you cold on the hot weather.One size fits most : skull cap can be stretched easily,suitable for man and woman.Washing instructions: washed by hand or machine in cold water, hang dry, no need dehydration.Great for: Both indoors and outdoors activities. It will give you comfort while walking, hiking, jogging, running, workout, cross training, running, cycling, gym, tennis, dancing, basketball or whatever you could think of.Notice: Actual color may be slightly different from the image due to different monitor and light effect.Specifications:Helmet Inner Cooling Cap is an Inner Cap that is worn under theHelmet. Helmet Inner Cooling Cap is both Soft and Breathable. Ithelps absorb and retain the body heat and reduce the sweat build up.It helps absorb and retain the body heat and reduce the sweat build up. It is moisture-wicking and quick-dry. It prevents the moisture, dirt, and odor build-up in your Helmets.Helmet inner cap can hold your hair in place, so you dont have to worry about having a messy hair It is lightweight, stretchy and is a perfect fir as it is a one-size-fits-all and perfect for both menand women.Material: PolyesterSize: One size fit all(Elastic)Package Inc