The SEALSKINZ Waterproof Extreme Cold Weather Hat is a comfortable, lightweight and rugged three-layer waterproof hat with a soft liner and drop-down ear cover to insulate and protect in very cold weather conditions. Developed using a three-layer construction the SEALSKINZ Waterproof Extreme Cold Weather Hat ensures warmth, durability and waterproofing for all-weather wear. Delivering a 100% waterproof protection, this hat provide the perfect barrier between you and challenging wet weather; so youll always remain dry and comfortable. The construction is also highly breathable as it allows cool air to flow in and out of the garment creating a perfect microclimate for your skin to thrive in. Within the hat, a microfleece lining sits comfortably against the skin for added comfort, warmth and moisture control whilst foldable ear panels prevent wind chill and increase insulation. Completing the Waterproof Extreme Cold Weather Hat is a rear elasticated velcro loop which can be adjusted to provide a comfortable fit.