Alpinetrek expert Hannes
Alpinetrek expert Hannes
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La Sportiva - Sideral - Ski touring boots

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Material information & features
Suitable for:
Recommended use:
Ski touring
Grilamid; Shaft: Polyamide PA 12
2 buckles with Power Strap hook-and-loop closure
Ramp angle:
3 positions (12°; 14°; 16°)
thermo formable Paulau
La Sportiva LazerGrip by Davos
Inner boot:
Skimo liner with heat-insulating lining; Lacing system and EZ Flex movement system
Attachment compatibility:
Tech bindings
Ski mode:
2300 g (medium size pair)
Pull on loop
Item No.:
Product description
Its comprised of a low profile Grilamid® shell and a PA12 Polyamide/Nylon cuff that sports an additional rear spoiler support device. Our patent pending Fast Lock System™ consists of the unique Vertebra Technology™, a hardwearing ergonomic power structure that works like a backbone, and the innovative Cam Closure System™, which allows for the transition from ski to walk mode in just one super-fast movement guaranteeing a perfect comfortable lockdown fit. The Sideral features maximum freedom of movement thanks to the EZ Flex™ system incorporated into the Pebax® tongue while the shells ergonomic profile facilitates the walk mode and enhances the general level of comfort thus allowing power to be conveyed directly to the skis.  The removable WarmSole™ insole creates an insulating barrier against cold and make this one of the warmest in the two-buckle category. Sideral: A technical product for a wide range of ski mountaineers. 
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