Green Men。UGG Butte Rugged Cold Weather -32C Waterproof Rain Snow Boots UGG update to our timeless Butte is rugged on the outside and cozy on the inside. Cold-weather rated to -32C (or -25.6F), it features waterproof bootie construction, cozy sherpa and UGGplush lining, and an innovative Vibram® outsole for enhanced traction on a variety terrains. Waterproof Waterproof membrane bootie construction Gusseted tongue with water repellent coating Cuffable shaft 8mm sherpa lining on vamp, 8mm sherpa lining on quarter, 17mm UGGplush™ 80% upcycled wool, 20% lyocell lining 7mm UGGplush™ 80% upcycled wool, 20% lyocell insole EVA footbed EVA midsole Vibram® outsole 8.5\" shaft height Cold-weather rated to -20˚C Metal UGG® logo hardware, Woven heel label with UGG® logo Best for: Casual, Light or moderate rain, Light snow, Heavy rain, Heavy snow