From UGG, the Classic Ultra Mini Leather Regenerate Booties feature: Leather upper sourced from farms that practice regenerative agriculture Textile binding made from recycled polyester fibers Leather heel label with embossed UGG® logo Leather flag with embossed UGG® regenerate logo Rear pull tab Slip on 17mm UGGplush™ upcycled wool, TENCEL™ Lyocell lining 17mm UGGplush™ upcycled wool, TENCEL™ Lyocell sockliner Foam footbed Sugarcane EVA outsole Approx. 3" boot shaft height Approx. 12.7" boot shaft circumference Approx. 1.25" heel height Imported.