To face the winter cold, this beanie serves up the warmth and breathability of a super-stretch all-acrylic design that's very easy to care for and incredibly quick drying. It delivers constant thermal To face the winter cold, this beanie serves up the warmth and breathability of a super-stretch all-acrylic design that's very easy to care for and incredibly quick drying. It delivers constant thermal comfort on all alpine activities and outdoor adventures, with a thin polyester lining that's pleasant for daily wear.