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
- New Zeppa increases ramp angle by 3.5 degrees
- Weight Reference : 990g; 2lb 2.9oz (1/2 pair size 27)
- Liner : Intuition Cross Fit Tour LT
- Last : 100mm
- Outsole : Vibram UFO RS
- Shell : Carbon Grilamid LFT
- Cuff : Carbon Grilamid LFT
- Flex : 100
- Forward Lean : 9 / 11 / 13 +/- 2
- Range of Motion : 72
- Ski/Walk Mode : Speed Lock LT
- Closure : 1 Buckle + Boa Fit System
- Binding System : TLT
- Optimized Touring Pivot : 1mm