100% nylon Cordura with Rain Defender water repellent. Earflap lining-92% polyester/8% spandex blend fleece. Nylon quilted to 100gram insulation. Carhartt Force sweatband fights odors and FastDry technology wicks away sweat for comfort. Light structured, medium profile cap with pre-curved visor. Ear flaps can be worn down or tucked inside the hat. Stretch fitting sized M/L or L/XL.