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You're inching closer to expert level skiing or you're on the lighter side yourself and need a boot that isn't overpowering - a medium-stiff boot like the Spyne 100 HV Ski Boots fit right into your program. With their high volume 102 m last, these boots accommodate a foot that falls on the wider side. And with their 100 flex, these ski boots balance fast and steep control and response with a forgiving nature on less challenging terrain.
Last: 102 mm – Comfort fit designed to accommodate wider feet.
Custom Thermo Shell – The shell can be heat molded, punched, ground and customized with your favorite boot fitter for optimized comfort and performance. The shell can be widened up to 6 mm with this process.
Asymmetrical Toe Box – K2 matches the toe box to the natural curvature of your toes for a more precise and comfortable fit.
Navicular Punch – A bump is pre-formed in the navicular area of the medial ankle where many skiers experience pressure.
Flex: 100 – A medium to stiff flex most suitable for intermediates and lightweight experts.
LuxFitPRO Liner – This heat-moldable liner combines the performance and fit of a traditional PVC liner with the benefits of strategically placed Ultralon EVA foam. Lasted for precise "out-of-the-box" fit the LuxFit Tour also includes heat-moldable Asymmetric Tongues to reduce shin bang and ensure smooth, precise flex initiation. The Power Wedge and Power Collar offer varied forward lean and the upper cuff support needed for taking advantage of challenging conditions.
Moldable Asymmetric Tongue
Power Wedge
Power Collar
PowerFuse SpYne – A rear co-injected “Y” shaped design that adds strength and power to the Energy Interlock, the PowerFuse SpYne maximizes fore/aft flex efficiency and lateral stiffness for sustained performance and responsiveness in all terrain. Because of the SpYne, K2 is able to optimize materials in the cuff and shell, eliminating excessive vibrations in rough terrain.
Energy Interlock – A rivet-free technology that integrates the cuff and shell of the boot. The Interlock stretches when the boot is flexed forward, and the energy is released throughout the turn, creating a smoother, more natural flex than riveted designs.
Cuff Alignment Index – Dual sided cuff alignment for +/- 2˚ of cuff adjustment.
Forward Lean – 14° / 12° with Power Wedge
4 Aluminum Micro-Adjustable Buckles
40mm Velcro Powerstrap
Replaceable Outsoles with Padded Mid-Grip
GripWalk® Outsoles Available Separately – New removable and interchangeable ISO 9523 alpine rockered soles for selected K2 boots collaberatively designed to work with Marker's Grip Walk Binding system for better grip and added comfort when walking and standing in boots, but doesn't compromise the power transmission and release function between the boot and binding when skiing.