Fit:
Last: 100 mm: An average width and volume last fits most feet.
Flex:
Flex: 130: A very stiff flex designed for expert or heavier skiers.
Liner:
Powerfit Pro Liner: Pre-molded and lasted with Ultralon heat-moldable foam. Featuring a stiffer foam and a stiff, asymmetric tongue for added power and energy transmission, pre-molded ankle pockets, and a high-density power collar.
Shell Materials & Design:
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.
Energy Interlock: A rivet-free technology that integrates the cuff and shell, putting less stress on the boot's lower shell and producing a smooth, progressive flex.
Powerfuse Spyne: A co-injected Y-shaped support in the rear of the boot that adds strength and power to the Energy Interlock in order to maximize fore/aft flex efficiency and lateral stiffness, providing enhanced responsiveness and energy transfer to the ski.
Fastfit Instep: Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit.
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.
TPU Cuff
Power Strap:
Cam Booster Strap: Booster Straps provide maximum ski boot performance, increased control and shin protecting shock-absorption.
Sole:
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.