Introducing the Alien 4.0, the ultimate lightweight ski boot for elite skimo racing. Handcrafted from carbon fiber, it blends strength and low weight seamlessly. The Speed Lock Lite ski-walk mechanism ensures swift transitions, while the BOA® Fit System provides precision fit in tough conditions. The Vibram outsole delivers traction in snow.

Key Features:

• Carbon Fiber Cuff: Lightweight rigidity with a contoured fit.
• Carbon Fiber Shell: Exceptional stiffness with minimal weight.
• Speed Lock Lite: Simplified transition mechanism with a single-action Dyneema® cord.
• BOA® Fit System: Micro-adjustable precision fit.
• Vibram® UFO Sole: Durable, cold-weather grip.