When you want to go where bighorn sheep fear to tread, this is your boot. A 4mm Poron® performance grade 10 carbon fiber insole gives you the extra-stiff support and protection you need for technically demanding mountaineering. The close-fitting upper, featuring 3mm Perwanger® Nepal waterproof leather, provides excellent ankle support—and the durability to keep you climbing for years. MicroGuard® mesh and Outlast™ layer wicks away moisture, keeps your foot dry and comfortable. Vibram® Expedition™ sole with deep 8mm lugs and high-traction toe help you keep your grip when you need it most. Accommodates most crampons.

Men's Sizes: 7-12,13,14

• Slip Lasted Construction


• 3mm Perwanger® Nepal Waterproof Leather Upper


• 3mm Perwanger® Nepal Waterproof Leather Bellows Tongue/Screen Guard


• 1mm Waterproof Glove Leather Lining, Collar and Bellows Tongue


• MicroGuard® Fabric Backed Lining with Outlast™


• Injection Molded TPU Stabilizer


• Protective Rubber Rand


• In-Line Stainless Steel Double Hooks


• Easy Rollers II Stainless Steel Ball Bearing Lacing System


• Dual Density Footbed


• 4mm Poron® Performance Grade 10 Carbon Fiber Insole


• Die Cut EVA Under the Heel


• 8mm Sole Lug Depth


• Vibram® Expedition™ Sole/Mont Rubber


• Crampon-Compatible (most styles)