Introducing the Men's Butte Waterproof Cold Weather Boots by UGG, designed to tackle the chilliest conditions. These boots feature a cuffable shaft with an 8.5" height and boast a waterproof full-grain leather construction. Lined with 17mm UGGpure upcycled wool and a blend of TENCEL Lyocell, they ensure maximum warmth and comfort. The Vibram outsole provides superior flexibility even in freezing temps, while the flat heel and round toe make these boots a versatile choice for both mountain and city adventures.