Combining ultralight elements of our Alien race boots with a more versatile, backcountry-oriented design, the all-new F1 LT is our lightest weight alpine touring boot, optimized for high-mileage missions, ambitious traverses, and technical ski mountaineering descents.
Carbon Grilamid LFT shell & cuff delivers incredible power to weight ratio.
3D Lambda Torsion Frame increases lateral stability and downhill performance.
Speed Lock ski walk mechanism is strong, precise and easy to use.
Boa Fit System for a fast and secure fit.
Waterproof gaiter system provides total snow protection.
