The North Face Women's Greenland Zip II Insulated Boot 100% Leather Rubber sole Shaft measures approximately 8.5" from arch Heel measures approximately 1.5" Boot opening measures approximately 11" around [UPPER] 2.02.2 mm waterproof, BLC-Silver-compliant nubuck leather upper 1.61.8 mm BLC-Gold-compliant waterproof fine-nap suede Australian shearling sheepskin collar Waterproof construction for ultimate weather protection 400 g PrimaLoft Eco insulation