The technical mountain boot in the truest sense of the word, ideal for mountainous terrain and climbing in technical conditions. The evolution of the Nepal Extreme model, perfect for demanding use in high regions and on ice. The use of the insulating Gore-Tex/Duratherm lining makes it particularly breathable and waterproof. The upper leather features the 3D Flex System, an innovative system that guarantees absolute freedom of movement in all directions around the ankle, combined with a rear elastic anatomical snow collar with an integrated elastic gaiter. New improved shape. The insole is made of varying thicknesses of insulating Ibi-HP3 and PU cushioning inserts in the heel and forefoot areas. New exclusive sole with high-tech IBS (Impact Brake System), developed in collaboration with Vibram. Particularly cushioning even on hard surfaces. The insole is removable and insulating. The new removable tongue with built-in ventilation system allows for an exceptionally good personal fit. The patented EZ OUT pull loop makes it easier to open the shoe. The new model weighs only 2050 g.