The Ugg Men's Butte Suede Boot is a warm winter boot for Snowy days. Protect the toes with the warmth of an UGGpure; wool lining and insole. Feet stay happy inside and the leather and suede exterior provides a handsome look. The durable Vibram; Outsole is nice and grippy for ice and Snow. Features of the Ugg Men's Butte Suede Boot Insole: Removable and replaceable 7mm curly UGGpure wool insole Outsole: Exclusive Vibram Outsole with the TC1 wet/Snow compound and a repeating lug pattern to maximize surface contact and provide malleability at the foot's natural flex points Waterproof leather Upper Suede Upper shaft 5mm non-wicking lace 17mm UGGpure wool lining eVent bootie construction 7 1/2in. Shaft height.