Extremely light for a mountaineering boot (just 4 lb. 9 oz. per pair) the Nepal EVO Gore-Tex Boot is ideal for technical use on high-elevation terrain and ice. Features a rough-out leather upper. Leather mountaineering boots yield greater sensitivity and hiking-boot comfort when compared with plastic boots. Insulating Gore-Tex Duratherm lining for complete waterproof breathability Innovative 3D Flex ankle system allows multidirectional ankle articulation Small integrated elastic gaiter keeps the snow out Insulating Ibi-Thermo footbed gives the boot exceptional insulation from the cold New tapered HP3 midsole and shock-absorbing polyurethane inserts in the area under the heel and the ball of the foot New exclusive sole with IBS (Impact Brake System), developed in collaboration with Vibram, is designed to soften impact on hard ground New removable tongue with incorporated ventilation system gives the option of adjusting the fit to any foot Upper: 3+ mm water-repellent Idro-Perwanger rough-out leather Midsole: 8-9 mm HP3/polyurethane inserts/SBR Air Cushion Sizing based on a man's foot The perfect boot to ice climb and in like new condition