From UGG, the Classic Tall Chalet Sheepskin Winter Boots feature: Sheepskin upper Textile binding made from 100% recycled polyester fibers Heat-embossed UGG® Logo Round laces 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell shaft lining, 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell vamp lining 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell sockliner Sugarcane EVA outsole Approx. 11” boot shaft height Approx. 15” boot shaft circumference Approx. 1.5” heel height  Imported. Styling Notes: This product contains real fur from sheep or lamb. Fur may be sourced from Australia, Ireland, the United Kingdom, or the United States. It has been artificially dyed and treated.