Last: 100mm – An average last for most feet

Flex: 80 - 90 – Medium flex designed for developing young skiers

Lux Fit Tour Liner – Pre-molded and lasted with Ultralon heat-moldable foam. Features medium-density foam, pre-molded ankle pockets, and a medium-density collar, providing an ideal blend of performance and comfort. Includes a tour notch at the back of the ankle for increased comfort and range of motion while hiking and skinning.

Fully Heat Moldable – Both the shell and cuff are heat moldable for a truly custom fit.

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

Powerlite Tour Shell – Bootfitter friendly. Completely heat moldable. Eco-friendly Pebax upper cuff and shell. Consistent flex across a wide range of temperatures.

Pebax Tongue – Lightweight, eco-friendly material used in the cuff of select boot models for energetic and consistent flex across a wide range of temperatures.

Shell – Thermoplastic Urethane (TPU)

Cuff – Thermoplastic Urethane (TPU)

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.

Switchback Buckles – Buckles lock into the forward position when touring to increase range of motion. Toe buckle is flipped on toe box for increased clearance in variable terrain. Magnesium buckles and wire bails for additional weight savings.

Velcro Strap

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.