Korkers Footwear Men's IceJack Lace Snow Boot Synthetic Imported Rubber sole Shaft measures approximately 9" from arch Heel measures approximately 1" Omnitrax 3.0 interchangeable sole system Includes two interchangable soles - Snowtrac winter lug and Icetrac carbide studded lug 100 percent waterproof construction 600 grams Thinsulate insulation 360-degree flexible stability rand Get flexibility, stability and warmth with Korker's interchangable outsoles for adaptable traction.