







F1 LT
Ski touring boot designed for fast ascents and lightweight skiing
Carbon
Combing 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.
FEATURES



Fitting Specs
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F1 LT


Focus
GAITER
LITE SHIELD TECH The gaiter is built with two different fabrics; it increases the protection and insulation on the most critic and sensitive zone. The top elastic band keeps always the upright position for walking comfort without pressure points.
SHELL
Designed with a specific structure that enhances lateral stability and ensures uniform torsional rigidity from heel to toe, while simultaneously reducing thickness and containing weight without compromising performance.
CUFF
Allows customization of the cuff’s forward lean by an additional 2°, enhancing impulse transmission to the ski during the descent phase.
The cuff’s grid design stiffens the rear section, optimizing impulse transmission during the descent phase. Riveted soft panels ease fit and improve tibial wrap.
SKI/WALK MECHANISM
Specifically designed for the cuff of this model, it allows adjustment to three different inclinations. The transition from ski to walk phase and vice versa is simple and fast. The clean and minimal design of the hook on the shell minimizes the accumulation of snow and ice during activity.
CLOSURE SYSTEM
A single lever paired with a Velcro® strap featuring dedicated graphics allows for quick and precise closure. By operating the lever while keeping the Velcro® closure unchanged, two different fits optimized for ascent and descent can be achieved, enabling a definitive adjustment with a single gesture.
The upper Velcro® strap ensures a more effective wrap around the shin. It features a rear strap holder that allows for removal when needed.
It ensures a precise and micro-adjustable fit, designed to deliver optimal performance even in the most extreme conditions. Once adjusted and secured, the BOA® Fit System maintains effective locking even after many hours of use.
INNER SHOE
Liner made of Intuition Foam, featuring a tongue construction with an elastic strap at the instep. The front and rear flex inserts improve agility and walkability. The front Velcro allows precise adjustment of the gaiter and tongue, while the double loop facilitates entry. A Velcro insert is located at the rear for spoiler attachment.
WEDGE
Installed between the shell and the liner, it ensures a comfortable fit. The use of lightweight, low-profile materials allows for increased internal volume in the shell, providing optimal comfort even during extended use.
IT CAN BE RESOLED SKIBOOT
BOA® Fit System
INTUITION
RECCO
QUICKSTEP
Vibram
Carbon Grilamid LFT®
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