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SCARPA Alien ski boots

  • Brand: Scarpa
  • Model Code: 12175500
  • Availability: 10

Whether you are an aspiring skimo racer or just looking for winter fitness at your local ski hill, the Alien represents an unbeatable blend of value and performance. The cuff and shell feature light but strong Grilamid® reinforced with glass and carbon fibers to deliver high function at a reasonable price. The Speed Lock Lite system connects the ski/walk lever with cuff operation via Dyneema® cord, providing simple, single-action transitions from up to down and back again. The Intuition liner offers legendary fit, comfort, and warmth, while the floating BOA® closure system ensures quick, easy, and durable fit tensioning. All of these features come together seamlessly in the Alien to support your winter fitness objectives.


  • Grilamid® FG LFT: Grilamid® with long glass fibers is a stiff and economical solution that provides lightweight power at a low weight
  • Carbon Grilamid® LFT: The shell & cuff are made of CG-LFT, a carbon-reinforced polymer that is super-light but still stiff and strong
  • Speed Lock Lite: Simple and secure, with 2 forward lean positions, the Speed Lock Lite ski-walk mechanism is strong and reliable on the downhill and fast on the transitions due to a single action Dyneema® cord that closes the cuff
  • BOA® Fit System: Dial in the perfect fit with our exclusive floating BOA® Fit System closure, providing precise and secure adjustments with no pressure points
  • Vibram® UFO Sole: Made with TOP85 compound that offers great durability and grip in cold conditions

Technical Specifications:

  • Liner: Tour Lite (Intuition)
  • Outsole: Vibram® UFO
  • Shell: Carbon Grilamid® LFT
  • Forward Lean: 9º&13º
  • Flex: 95
  • Cuff: Grilamid® FG LFT
  • Range of Motion: 72º
  • Ski/Walk Mode: Speed Lock Lite
  • Optimized Touring Pivot: 7mm
  • Binding System: TLT
  • Closure: Cord + BOA® Fit System
  • Last: 99mm
  • Sizes: 24 -30 (whole sizes)
  • Weight: 870g; 1lbs 14oz (1/2 pair size 27)
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