polyester * Ear warmer, May be worn with a hat and glasses, Outer shell: 100% Polyester, Lining: 78% Polyester, 22% Acrylic * Stylish quilted down outer shell provides warmth, Insulation: 50% Polyester, 50% Down Feather, Binding: 90% Polyester, 10% Spandex * Behind-the-head design fits comfortable over your ears * Click to fit frame adjusts for a perfect fit, Easily collapses for on the go storage