The Bangtail outsole features Vibram Arctic Grip A.T. for grip on ice, an extended heel for increased ground contact necessary for braking, and siping in the lugs to improve traction on wet surfaces. The 5mm lug depth and placement are ideal for shedding mud and snow while enhancing traction. | Oboz Footwear Bangtail Mid Insulated B-Dry Boots in Grey | Size 8