From UGG®, the Men's Classic Treaded Slippers feature: Suede upper Textile binding made from 100% recycled polyester fibers Heat-embossed UGG® logo 10mm UGGplush™ 80% upcycled wool, 20% lyocell lining 10mm sheepskin insole Treadlite by UGG™ outsole for comfort 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.