Vasque - Ice 9000 (Orange) - Men's: Mountaineering footwear has never been "nimble"...until now!; Designed with big mountains and cold weather in mind, the Ice 9000 is strong and technically able without the bulk and weight of traditional plastic boots or leather models. Features Exo-therm Composite Upper Fabric which is a patented 4-layer composite material that is lightweight, flexible, durable and warm. The resulting composite is superior in performance - more waterproof than leather, more flexible than plastic, and warmer than both. Cutting-edge Carbon Fiber insole technology. EVA Midsole offers lightweight impact absorption and underfoot insulation. Skywalk Fitzroy with Stealth MT Rubber technology is a high Friction Stealth rubber combined with strategic lug design to optimize performance while minimizing weight. Drilex lining with insulated footbed. Stretch Cordura Tongue Gusset. Full perimeter rubber Rand. Padded Collar for extra comfort. Crampon Compatible. Shoe weighs 4lb 12 oz. Boots built for the world's wildest mountains.