Keep Warm & Comfortable snow hats for women men was made of double layer 50% viscose, 30% polyester and 20% nylon material, which is powerful to keep your head warm as body and protect your heads from wind, never suffer from numb frozen winter ears. Thick knitted fabric, soft skin friendly, not real fleece, but still very warm and windproof. The fold up can be adjusted due to the way it is knit.One Size Fits Most: Has a good stretch and fit most head shapes; It is stretchy enough to be pulled over any shape or size head and to fit neatly over the ears. Keeps you warm without being too tight. The winter hat is not too heavy and is just right for keeping cold wind and snow off your head.