From UGG®, the Men's Ascot Lug Slip On Loafers feature: Suede upper Textile lining made from 90% recycled polyester, 10% spandex 10mm UGGplush™ 60% upcycled wool, 40% lyocell insole, Textile sockliner with anti-odor treatment, Twinsole™ interchangeable insoles The UGG® Logo, embossed on the heel Sugarcane EVA outsole Imported.