Lowa Women's Couloir GTX Hiking Shoe 100% Split leather and cordura Rubber sole Shaft measures approximately 7" from arch Heel measures approximately 1.5" Constructed of top quality split leather, Nubuk leather and Cordura Features an ultra-warm and waterproof, GORE-TEX lining with Partalena fleece insulation LOWAs exclusive new G3 sole unit with supination/pronation support and PU midsole provides maximum grip on snow and ice These high shaft snow boots utilize LOWAs exclusive Monowrap technology which wraps the foot in a lightweight, comfortable, and supportive frame The combination of a soft rubber blend with proprietary textile acts as a shock absorber increasing grip by up to 32% over other types of snowboot designs