The Sportiva Karakorum Evo Gtx mountaineering boot is a robust, crampon-proof mountaineering boot for classic alpine excursions. With these boots on your feet you are always well equipped for any high-altitude adventure. The 2.8 mm thick Perwanger leather is optimally complemented by the waterproof and breathable Gore-Tex® insulation lining. The high cuff guarantees good stability and optimum protection, while further details, such as the deep-cut padded collar on the back and the intelligent 3D Flex System, promote natural freedom of movement.The forward-positioned lacing allows easy boot adjustment and provides security and stability even when climbing. La Sportiva Karakorum Evo Gtx mountaineering boot