Material: Polyester outer shell with an inner lining of warm plush and faux fur, thick and warm enough One size fits most: Best for head circumference 22.0-23.5" (56-60cm), the adjustable chin strap provides a better fit for the hat Detachable Face Mask: Removable windproof mask keeps your face warm and can be worn independently for added versatility Ultimate Warmth & Softness: Polar fleece lining and faux fur on the earflaps, neck, and forehead keep you feeling extra warm Essential Winter Hat: Ideal for a range of outdoor adventures, including skiing, snowboarding, hiking, hunting, trapping, and other activities