From UGG, the Classic TrailGazer Waterproof Suede Fur Lined Winter Mid Calf Boots feature: Waterproof full-grain leather and 17mm Twinface sheepskin upper Seam-sealed waterproof construction Waterproof suede vamp Cold-weather rated to -20C UGGbraid detailing Leather heel label with embossed UGG® logo Slip on Rear pull tab made from 100% recycled polyester fibers 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell lining 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell sockliner Foam footbed White Spider Rubber outsole Approx. 10" boot shaft height Approx. 17" boot shaft circumference Approx. 1.75" platform height Imported. Styling Notes: This product contains real fur from sheep/lamb and calf. Fur may be sourced from Australia, Ireland, the United Kingdom, Vietnam, or the United States. It has been artificially dyed and treated.