La Sportiva

Sideral Alpine Touring Boot

Details

• The Sideral's shell is made from the ultra-lightweight nylon polymer Grilamid to reduce thickness and weight without a loss in stiffness or power
• Nylon cuff includes an additional rear spoiler device
• Innovative EZ Flex Tongue, made from the tough but lightweight Pebax polymer, offers unrestricted ankle movement for steep ascents and easy walking on flat ground
• Vertebra Technology features an 'exoskeleton' that provides maximum security and precision during the descent, eliminating the need for a stiff tongue
• 2BT Tech Last and Heel feature a minimal external volume for reduced weight and an anatomical design that excels on technical terrain
• The thermo-moldable Skimo Liner features a double tension lace system and EZ Flex hinge for unrestricted ankle movement
• Forward lean can be adjusted to 12, 14, or 16 degrees to match your preference and the terrain
• Fast Lock Closure system easily switches between ski and hike modes with the spring loaded Cam Closure System and QuickBuckle
• WarmSole innersole puts a thin, lightweight barrier between you and your cold-conducting plastic soles
• LazerGrip Outsole features extra hard edging platforms for technical rock sections and full rubber coverage for excellent grip in mixed terrain; rockered shape facilitates a natural walking motion
• Low-bulk heel is engineered to provide an easy fit for crampons
• Compatible with all tech-style bindings
• Item #LSP0229