





Ski mountaineering boots – Unisex –
Advice : Use the foot sizer from SIDAS to help you find the right size
TheAlien 5.0 Carbon Silver is a ski touring boot from the brand Scarpa, specially designed for racing.
Featuring a lightweight yet resistant carbon fibre shell, this boot ensures direct power transfer thanks to its over-moulded carbon insert. The cord system with Dyneema® a lever and buckle ensures a precise fit, whilst the mechanism Speed Lock Lite ensures ultra-quick transitions between walking and skiing modes. Its lightweight gaiter, made from Spandex and Nylon fibres, provides effective protection whilst offering optimal support.
The durable rubber outsole with Vibram® lugs Traction Lug ensures exceptional grip on all terrains and is compatible with bindings TLT. The thermosettable Intuitionliner offers long-lasting comfort and excellent thermal insulation, which is essential for long mountain outings.
Complying with the standards of theISMF, this boot is a technical and reliable choice for enthusiasts of dedicated ski touring, combining performance, comfort and durability.

- 2 clamping hooks
- Lace-up system Dyneema® with a lever and buckle for a better fit
- Heel locking mechanism Speed Lock Lite for quick transitions from walking mode to skiing mode
- Over-moulded carbon insert for a more direct transfer of power from the boot to the ski
- Lightweight gaiter for optimum protection and a precise fit
- Sole with grippy studs Traction Lug
- Compatible with attachment systems ( TLT pivot optimized for ski touring – 5 mm)
- Complies with the standards of theISMF (International Ski Mountaineering Federation)
Composition :
- Shell: Lightweight and resistant carbon fibres
- tongue : Synthetic
- Gaiters: Fibres Spandex and Nylon
- Exterior flange : Long-lasting eraser Vibram®
| INTUITION LINER | These liners are Intuition the gold standard in the field of thermosettable liners for Backcountry products. Made from exclusive materials, they offer a long-lasting fit without any pressure points, whilst maintaining comfort. Thanks to their excellent thermal insulation and exceptional lightness, they guarantee maximum efficiency and performance, even under the most demanding conditions. |
| BOA® | Adjustable systems gently distribute BOA® pressure, ensuring all-day comfort without adding extra weight to your kit. |
| VIBRAM® | Ever since the first rubber sole for mountaineering, ‘ ’ the Carrarmato , was created over 80 years ago, Vibram® has been synonymous with quality and performance, innovation and design. Designed in 1937 by Vitale Bramani to meet the need for greater security and protection in the mountains, our soles – featuring the unmistakable yellow octagon – are now used for outdoor activities, workplace safety, lifestyle and orthopaedics. |
| DYNEEMA® | Ripstop materials containing fibres Dyneema® that are 15 times more resistant than Steel, whilst being extremely lightweight: up to 40 per cent more resistant than Aramid, for example. Thanks to its patented technologies, the material Dyneema® possesses unique directional properties that give it an unrivalled weight-to-durability ratio. This ripstop material Dyneema® ensures exceptional durability against tear. |