From UGG®, the Men's Heritage Pull On TrailGazer Cold Weather Waterproof Boots feature: Full-grain leather, oiled suede upper Seam-sealed construction Rear pull tab made from recycled polyester fibers Cold-weather rated to -20° C Leather heel label with embossed UGG® logo Best for: Light or moderate rain, Light snow UGGplush™ upcycled wool, lyocell shaft lining UGGplush™ upcycled wool, lyocell tongue lining UGGplush™ upcycled wool, TENCEL™ Lyocell vamp lining Sheepskin collar lining UGGplush™ upcycled wool, TENCEL™ Lyocell sockliner White Spider Rubber outsole Imported. Styling Notes: This product contains real fur from sheep/lamb and calf. Fur may be sourced from Australia, Ireland, the United Kingdom, Vietnam or United States. It has been artificially dyed and treated.