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Scarpa Alien Ski Boot - Men's

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For amateur racers, the Scarpa Alien ski boot is designed for people who want a training boot or the speed-savvy backcountry skier who wants the ultimate technology in a lightweight package. With incredible walkability yet the ability to drive a ski like a much heavier boot, the Aliens are a primo boot for skimo racers and devotees to the fast and light ethos.

A full polyamide boot, the Alien uses the Boa Closure System on the exterior for immediate adjustments. This on-the-fly closure technology is extremely light and provides a glove-like fit for top performance, comfort, and speed in a variety of conditions. The laced upper buckle system is integrated into the walk/ski mode switch so you can transition between uphill and downhill modes without missing a step. Once your tips are pointed downward, the Alien Propulsion Tech frame offers a burly platform for driving skis harder than just about any other two pound boot on the market.


  • An ultralight boot for skimo racers, fast-and-light devotees, and those focused on training
  • Light single-throw buckle switches quickly between ski and walk modes
  • Boa closure system for immediate adjustments
  • HRP Intuition liner are customizable
  • Incredible range of cuff motion for premier walkability, similar to a hiking boot
  • Vibram UFO sole give you all the traction you'll need on gnarly terrain
 Shell Material  Polyamide / Carbon
 Flex Index  N/A
 Buckles  BOA Closure System
 Liner  HRP Intuition
 Forward Last  102 mm
 Forward Lean  9° & 13°
 Range of Motion  60°
 Sole  Vibram UFO
 Weight Per Pair  1700 g / 3 lb 14 oz (27)