MISSION Enduracool Fitted Multi-Cool 90% Polyester/10% Nylon Hyper-evaporative cooling stretch fabric used for a headband, scarf, neck gator, hood, cap, facemask and more Vaporcool technology disperses moisture, accelerates the evaporation process and increases the drying rate of the fabric Chemical-free; perforated in the front for breathability UPF 50 protection Reusable and machine washable