Simple clean lines and quality Italian craftsmanship come together in this Ziller 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 breathable insulating OLANTEX film lining 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.