SCARPA Alien 1.0 Ski Mountaineering Boots
Best lightweight boot for competitive ski mountaineering racers.
Designed for skimo racing and fast-and-light mountaineering, this boot prioritizes weight savings and efficiency above all else. It offers an exceptional range of motion for climbing and a stiff, carbon-infused shell for confident descents, making it a top choice for athletes who need to move quickly in the mountains.
$1189.30
at
Scarpa Official Website
Who it's for
- Competitive ski mountaineers prioritizing maximum uphill speed and efficiency
- Backcountry tourers seeking a natural, hiking-like stride
- Race-focused athletes needing lightning-fast transition times
Who should skip it
- Aggressive skiers demanding stiffness for challenging, technical descents
- Budget-conscious buyers or those needing extreme long-term durability
- Skiers with wider feet requiring a more forgiving fit
Performance breakdown
Weight Efficiency
Carbon fiber construction sets the gold standard for ultralight race performance.
Transition Speed
Speed Lock System Lite makes switching modes nearly instantaneous during races.
Fit Precision
BOA closure system delivers micro-adjustments for a locked-in, secure feel.
Thermal Protection
Integrated gaiter and PU layering provide essential warmth in alpine conditions.
Structural Rigidity
Grilamid Carbon LFT shell offers exceptional power transfer for technical descents.
Ease of Entry
Instep velcro slider simplifies getting in and out of the boot.
Key Specs
Weight
785 g
Cuff Rotation
75 degrees
Flex
110
Last
99 mm
Forward Lean
9 degrees & 13 degrees
Sole Material
Vibram
Shell Material
Carbon Grilamid LFT
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