Packed with unrivaled technology, the UGG Butte is cold-weather rated to -20°C and is a perfect cold-weather staple. Constructed with waterproof leather and a premium wool lining, these boots keep your feet warm and offer protection against heavy weather conditions. The DryTech waterproof bootie construction provides ample breathability, while the UGGpure wool lining adds a layer of comfort and delivers warmth to your feet. Finished with an exclusive Vibram outsole with TC1 wet/snow compound and a repeating lug pattern, the UGG Butte delivers superior traction, grip, and flexibility even on icy terrain. UGG Butte features: Waterproof leather and suede bring a durable fit. Non-wicking lace ensures a personalized fit. Removable and replaceable UGGpure wool insole provides a plush feel. Shaft height: 7.5".