Multi-Last
97mm to 100mm – Heat moldable to fit a variety of forefoot widths

FastFIT Instep
Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit. 

Flex
110 – A moderately stiff flex for advanced to expert skiers

Luxfit Pro Tour Liner
Pre-molded and lasted with Ultralon heat-moldable foam. Features a medium-density foam, pre-molded ankle pockets, and a medium-density collar. Includes a tour notch at the back of the ankle for increased comfort and range of motion while hiking and skinning. 

Materials

• Shell – Thermoplastic Urethane (TPU)
• Cuff – Thermoplastic Urethane (TPU)

Powerlite Shell
K2's highest performance shell design, utilizing shell walls of varying thickness and four different types of TPU to provide the ultimate combination of light weight and responsiveness.

Fully Heat-Moldable
Both the boot's shell and cuff are capable of being heat molded to a variety of foot shapes for a truly custom fit. 

Powerlock Spyne
A performance-oriented walk mode designed for ski touring that offers a 50-degree range of motion. When in ski mode, Powerlock Spyne provides a powerful and secure connection for uncompromised downhill performance.

Friction Free Cuff Pivot
An easy hinging cuff pivot designed to provide minimal resistance while in walk mode.

50˚ Range of Motion

BOA® Fit System
The BOA® Fit System provides a performance fit engineered to enhance feel and responsiveness while reducing pressure points by incrementally modulating the Alpine boot closure with precise micro-adjustments. 

Non-Elastic Cam Strap

Modular Honeycomb Bootboard
The honeycomb boot board includes two modular heel inserts. A soft Harsh Mellow insert for a high level of damping or a more rigid insert for improved power transfer.

GripWalk ISO 23223 Outsoles
Removable and interchangeable rockered soles designed to work with GripWalk binding systems for better grip and comfort while walking, standing, and hiking.

Integrated Tech Fittings

SPECS

• Weight: 1830g per boot @ 26.5