Special customized high-stretch and high-density polar fleece fabric, which is thicker and more elastic than traditional polar fleece. Protect your All face from getting windburnt and ears freezing, keeps your head of temperture from the cold weathers. Windproof, breathable, moisture wicking, anti-static, anti-pilling, more comfortable. With it, no worry about the cold weather. Comfortable neck snood style, easy wearing and storage, with adjustable drawstring and toggle on/off, can also be fully tighten and used as beanie hat. Comfortable wear them perfect for winter and cold weather, suitable for winter outdoor sports, such as skiing, snowboarding, hiking, fishing, running, hunting, cycling, climbing or many other and daily keeping warm under 0 degrees Celsius.