Icebug Men's Glava BUGweb-M 100% Leather Imported Synthetic sole Shaft measures approximately 5.5" from arch Heel measures approximately 1.5" Boot opening measures approximately 10" around Comes with removable bugweb with 6 carbide studs for added traction 50 percent recycled rubber outsole Water repellent leather/suede Warm fleece lined upper with back zipper Comfort midsole with ALU sheet in sock blocks cold from ground Ice Bug shoes run approximately 1/2 shoe size small BUGwebtraction technology that consists ofa compatible outsole and a traction unit for snow, ice and mud!