MultiFIT Last: 97 - 100mm – The MultiFit Last was developed in conjunction with the BOA® Fit System to accommodate a variety of foot shapes ranging from 97mm to 100mm eliminating the need for multiple last option (LV, MV).

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

Flex: 130 – A very stiff flex for advanced to expert skiers.

PowerFit Pro Tour Liner – Pre-molded and lasted with Ultralon heat-moldable foam. Featuring stiffer foam and a stiff, asymmetric tongue for added power and energy transmission, pre-molded ankle pockets, and a high-density power collar. Includes a tour notch at the back of the ankle for increased comfort and range of motion while hiking and skinning.

Shell – Thermoplastic Urethane (TPU)

Cuff – Pebax

Powerlock Spyne – Rugged, precise and intuitive. The Powerlock Spyne walk mechanism allows for 50 degree range of motion when hiking and an unforgiving, powerful connection while skiing. The mechanism can also be adjusted to customize the forward lean of the boot between 10-17°.

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

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.

2 Light Alloy Upper Buckles

Elastic Cam Strap - One Piece – Increases performance and responsiveness by cinching tighter than a traditional power strap resulting in exceptional power transmission and precise handling.

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 – Tech fittings in the toe and heel are fully integrated into the shell injection, allowing for compatibility with both tech and DIN bindings.