Rubber sole Shaft measures approximately 9 inches from arch This is our warmest women’s boot, ready for any winter adventure. 400 gram Freeze Guard insulation keeps feet warm while a DWR nubuck leather upper with our waterproof B-DRY liner ensures to keep feet dry. Add a TPU Chassis, and the winterized Granite Peak Outsole will keep you on track come snow, ice, and frozen tundra.