Color restyling and enhanced visual identity
The new ALIEN 5.0 features a color restyling designed to strengthen the identity of one of the most iconic models in the Alpine Touring Race segment, while maintaining its lightness, efficiency and reliability in racing.
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An evolution developed for high-level competitions
In a pivotal year for international ski mountaineering, SCARPA introduces the aesthetic evolution of the ALIEN 5.0, already tested by the world’s top athletes. The model is part of a consolidated technical project, built to deliver performance at the highest levels of skimo racing.
Enhanced design without technical compromises
Renewed visual identity
The new colorway and maximalist logo give the boot an even more distinctive character, while maintaining the construction solutions that have made the Alien line an absolute reference for ski mountaineering competitions.

Ultralight full carbon structure
Weighing just 610 grams for half a pair, it guarantees efficiency on climbs and responsiveness on descents, thanks to the immediate transmission of power.
Mobility, rigidity and comfort
The carbon fiber construction with 3D Core honeycomb structure reinforcement ensures:
- high torsional stiffness
- thermal insulation
- expanded mobility
- easy fit
- progressive pressure distribution

Locking systems and advanced features
BOA® Fit System and Speed Lock System Lite
The BOA® Fit System allows for precise and consistent micro-adjustment, even in extreme conditions.
The Speed Lock System Lite mechanism allows for quick transitions from walk to ski mode with a single movement, optimizing transition times.
Total protection and thermoformable comfort
The Lite Shield Tech gaiter in spandex and nylon provides snow protection and adapts to different foot shapes.
The lightweight, low-cut, heat-moldable Race 4.0 SL Intuition liner improves comfort, foot entry, and a precise fit.

SCARPA’s vision for the future of skimo racing
With ALIEN 5.0, the company reaffirms its philosophy in the world of competitive ski mountaineering: a boot designed for those who experience competition as the ultimate expression of performance, where every detail is designed to optimize efficiency, precision, and speed.
Technical specifications
- Weighs only 610g (½ pair, size 42)
- Carbon fiber hull and cuff
- Lite Shield Tech Gaiter
- BOA® Fit System Closure System
- Speed Lock System Lite ski/walk mechanism
- Intuition Race 4.0 SL Thermoformable Liner
- Binding compatibility: TLT (Optimized Touring Pivot -5 mm)
- Sizes from 39 to 44 (no half sizes)
- Retail price: €1,999.00








