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Scarpa ALIEN 4.0 black ski boots

Excellence in a boot! A true "Alien" in both aesthetic and technological terms, this ski touring boot is designed for ski mountaineers looking for incredible performance in competition.

1,480.00€ -20% 1,850.00€
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Order and be delivered on  16/06/2026
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Product details

Scarpa ALIEN 4.0 black ski boots

The ALIEN 4.0 is a high-end ski touring boot . Made from carbon, it features all the latest Scarpa technologies. Developed in collaboration with athletes, it will take you all the way to the top!

Its original shape gives this boot excellent roll-off for perfect transmission of energy from foot to ski.

What technologies does Scarpa Alien 4.0 use?

The lower part of the shell is made of carbon for greater rigidity and foot support, while keeping the boot very light. The shell is combined with an insulating gaiter for perfect waterproofing down to the ankle. The Vibram® UFO 4.0 outsole offers unrivalled grip.

The BOA® Fit fastening system is integrated directly into the front of the liner for precise, secure tightening.

Finally, the Race 4.0 SL liner with Intuition thermoformable lining guarantees perfect thermal insulation and plenty of freedom of movement , whether in walking mode or on descents.

Scarpa Alien 4.0 features:

- Weight: 1220 g (in size 42)
- Flex: 110
- Sole: Vibram UFO 4.0
- Automatic crampons
- Width: 99 mm
- Deflection: 76
- BOA® closure system

Who is this ski boot for?

The Alien 4.0 is designed for expert skier-mountaineers , to excel in competition and satisfy the most demanding athletes.

Discover our size guide for your ski boots:

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Data sheet
  • Type : Men
  • Level : Expert
  • Ski programme : hiking
  • Type of practice : Ski touring
  • Total weight : 1220 g
  • Colours : Black

The brand SCARPA

SCARPA

SCARPA: Italian passion for the mountains

Founded in 1938 in Asolo, at the foot of the Dolomites,Scarpais an iconic Italian brand in the world of mountaineering. Specializing in mountaineering, hiking, climbing, and ski touring boots, Scarpa combines traditional craftsmanship, technological innovation, and a love of the great outdoors. Synonymouswith reliability and performance, every pair of Scarpa shoes is designed to go further, higher, and more freely.

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