Cold weather poses no threat to your comfort in the UGG® Butte winter boot. A waterproof, full-grain leather upper ensures durability. A replaceable sheepskin sockliner wicks away moisture for dryness, while an eVent® membrane maximizes breathability. The Vibram® outsole with TC1 wet/snow compound lug pattern maximizes traction on snow and ice. Comfortably trot across winter snowscapes in the Butte boot.