Now emblazoned with a heat embossed UGG® logo, the iconic cuffable Butte boot is cold-weather rated to -20˚C (-4˚F). It features a waterproof bootie construction, warm insulation, and an innovative Vibram® outsole designed to stay flexible in freezing temps. Rugged on the outside and cozy on the inside, it's made from waterproof nubuck and suede-lined with our soft UGGplush™ upcycled wool blend for all-day wearability in the mountains or the city.