- Leather
- polyurethane sole
- Karakorum used a new tapered 8mm high density Nylon® that provides a smooth flex and protection throughout the boot. This allows for new-matic crampon compatibility and long lasting consistent flex.
- The 2.8mm Idro-Perwanger leather upper is ideal for water repellency, breathability and durability.
- IDEAL TERRAIN: general mountaineering and heavy backpacking
217433Features: Capable of withstanding desert rocks, chunks of ice, and everything in between thanks to the durable and weather-resistant Idro-Perwagner silicone-impregnated leather uppers If you stumble on steep and rugged terrain, recover your balance quickly with multi-directional 3D flex hinge that allows for maximum ankle flex Grip the ground with the high-traction rubber Vibram Couloir outsole while the polyurethane Airchushion midsole and anti-torsion plate support and cushion your foot Keep snow, ice, and debris out of your boot with the Cordura cuff while the breathable Dri-Best lining keeps you dry on the inside with its moisture-wicking capabilities Sole is compatible with hybrid crampons with semi-automatic crampon attachemnts Specifications: Weight per pair: 4 lb 2 oz Upper: silicone impregnated leather Midsole: polyurethane Outsole: rubberSpecifications based on size 43
