The Blockhead is a 100% wool, lightweight, warm, and breathable hat with a comfortable, soft, and smooth interior. This hat is made from a high-quality wool blend that is perfect for the winter season. It has a soft interior and a comfortable, natural fit. This hat will keep your head warm and dry while you are outside for long periods of time. It is also very light and not bulky. This hat is perfect for those who are looking for a lightweight hat that can keep their head warm.