Scarpa Alien 5.0 Ski Boots Cramp-In Advanced multi-channel optical sensor for

Advanced multi-channel optical sensor for accurate heart rate tracking

and gives you the support you need for aggressive descents

Maximum thermoregulation to help keep your forearms and biceps warm when its cool and cool when its hot

The engineered knit fabric is lightweight and breathable

Comfort Cradle™ provides contoured

Scarpa Alien 5.0 Ski Boots Cramp-In Advanced multi-channel optical sensor forRace boot in full carbon designed by top athletes Introducing the Alien 5. 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