From UGG®, the Men's Adirondack XXV Waterproof Boots feature: Leather upper Waterproof (Waterproof membrane bootie construction, Waterproof leather, Waterproof suede, Gusset) Cuffable shaft, Rear pull tab, Front pull tab Recycled polyester laces 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell shaft lining Faux fur lining made from 100% recycled polyester fibers 17mm UGGplush™ 60% upcycled wool, 40% TENCEL™ Lyocell sockliner Poured PU footbed incorporates at least 50% bio-based content Sugarcane EVA midsole Vibram® Logo on outsole sidewall, The UGG® Logo on tongue Vibram® outsole with ICETREK rubber compound Imported. Styling Notes: Cold-Weather rated -32° C, Xerogel insulation