SCARPA Men&#39;s Mont Blanc GTX Mountaineering Boots 100% 3 mm Suede Perwanger HS12 3 mm Perwanger leather offers exceptional durability and fit GORE TEX Insulated Comfort offers insulation, waterproofedness, and durability for high altit Scarpa's ErgoFit System offers omni-dimensional ankle flex for natural ankle flex while still Pro-Fiber insole keeps feet warm and cushioned Deeply lugged Vibram Total Traction sole offers traction and shock absorption on snow and roc