With Carhartt's Men's Workflex Ear Flap Cap you can be ready for any type of weather. Cap is made from 97% cotton canvas / 3% spandex fabric and has 100% polyester insulation. The ear flaps tuck inside cap when you don't need them and can be flipped down for protection when you do. The FastDry« technology wicks away sweat and the structured medium profile with Work Flex Styling is great for all day comfort. Hand wash.