Gore Bike Wear Bike III Headband, Black WINDSTOPPER Soft Shell Extended ear flaps for comfort SHELL: 100% Polyester WINDSTOPPER Membrane; BACKING 100% Polyester with a WINDSTOPPER Membrane; STRETCH: 84% Nylon, 16% Spandex Machine wash warm. Permanent press cycle. Do not bleach. Do not tumble dry. Dry or steam iron low. Wash with similar colors. Drycleaning not recommended.