Tek Gear Microfleece Peruvian Winter Hat/ Ear Flap - Black 95%Polyester/5%Spandex Microfleece Peruvian Winter Hat/ Ear Flap - Black Keeps you warm with a specially engineered fabric designed to retain body heat Draws moisture away from the body to keep you comfortable Shell: 91% polyester, 9% rayon -Lining: 100% polyester One size fits most