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Black Diamond - Prime

Product Information

The Prime is Black Diamond’s premier lightweight alpine touring boot—designed to tackle the world’s most challenging ski mountaineering routes or simply to save your legs for one last powder lap. The revolutionary Triax Pivot Frame is at the heart of Black Diamond’s Efficient Series Alpine Touring boots. This frame takes the platform of a freeride boot and enhances it with the features and minimal weight of a state-of-the-art alpine touring boot. This is Black Diamond's lightest alpine touring boot, featuring a unique 3.5-buckle design that skis with the stiffness and control of a 4-buckle boot. The defining feature of the Triax Pivot Frame is its revolutionary Pivoting Cuff TechnologyTM: a patented resistance-free design that allows for an unrivaled 40º range of motion (20º rearward/20º forward), opening up a new world of touring comfort and access. But lock it into ski mode and the Pivoting Cuff Technology completely changes the boot’s character into a responsive, high-performance machine with immediate power transfer for the descent. It’s easy to make big skis and stiff boots, but to make them lighter, while retaining durability and high performance…that is the real trick.