Main material is polyester fibers & faux-fur,Windproof Waterproof Combined With a Luxurious Inner Faux Fur Layer Very Effective to Keep Your Head More Warmer. The thick faux-fur covering on the ear-flap and brim of hat, provide all-day warmth and comfort. Unique design with removable mask & easy to use and keep your mask: warm cotton/nylon and ears in winter, and against strong winds and cold weather. Very warm and comfortable winter hat. To enjoy the wonderful winter outdoor with this trapper hat. It's the best choice for skiing, hunting, camping and any outdoor activities, to adds an extra comfortable feel on freezing cold weather. Unisex style: best fit for 55-59 cm/21.7-23.2 inch.