Modern lines and quality Italian craftsmanship come together in this winter boot to provide your feet with optimum comfort and protection from the elements. This boot features a robust zipper with a bellow to stop the intrusion of snow and a BREATHTEX waterproof membrane to ensure a dry fit. A lining enhanced with breathable insulating OLANTEX film and an ISOWARM insole made of 90% wool with insulating and reflective silver foil keep feet in warm cushioned comfort. An Italian sole with 16 stainless steel spikes, built-in swiveling and folding OC System® with flow channel delivers secure non-slip grip and traction. Heel Height: approximately 2 inches. Shaft Height: 13 inches. Circumference: 21 inches. Comfort zone up to -30°C.