Kona Insulated Beanie - Unisex\'s For those coldest of cold days, the Spitsbergen Hat is made of 100% lambswool with a wind-blocking Windstopper® lined earband to keep you warm whatever the weather. Features: Moisture-wicking Breathable Windproof Embroidered OR Logo Recommended use: Hiking, Trekking, Mountaineering, Urban Outdoor Suitable for: Cold Weather Unisex One Size Technical Features: Material: 100% lambswool Lining: 100% polyester ear band Insulation: Gore-Tex® Infinium with Windstopper 2L Contains non-textile parts of animal Weight: 2.7 oz  /  76 g Gore-Tex® Infinium with Windstopper® provides protection against wind chill by using a totally windproof membrane with maximized breathability allowing perspiration to escape and reduces the risk of overheating when active