From UGG, the Tasman GTX Waterproof Suede Slippers feature: Waterproof suede upper GORE-TEX internal membrane UGGbraid detail GORE-TEX woven label Heat-embossed UGG® Logo Slip on Rear pull tab 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell vamp lining 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell sockliner Woven label with The UGG® Logo on insole Sugarcane EVA midsole Vibram® outsole Approx. 1” heel height  Imported. Styling Notes: Warm in temps as low as -20ºC