K2 Cortex Flex 120 BOA® ski boots

Designed for advanced skiers, the K2 Cortex 120 BOA® offers a firm flex rating of 120, ensuring solid support and surgical precision. Its 96-98 mm low-volume fit holds the foot firmly in place for optimal control, while the lightweight yet sturdy construction ensures stability and responsiveness on all technical terrain. This boot transforms every descent into an experience of power and control.

A custom fit for greater comfort

The BOA® system provides consistent, micro-adjustable tightening, eliminating pressure points and optimizing support. In addition, its EliteFit Sport liner combines firm support and lasting comfort thanks to its reinforced areas around the ankle. The Fastfit instep makes it easy to put on, and the wide 45 mm cam strap effectively locks the collar for a perfect fit. In addition, the fully laced lining and adjustable tongue allow you to customize the fit to your preferences.

Advanced technologies for total control

The Cortex 120 BOA® features an energy bolt spine for precise forward flex and solid rear support. Its SES wedges improve edge sensitivity, offering more liveliness at low speeds and enhanced stability when you accelerate.The +/- 2° dual cuff alignment allows you to adjust your stance, and the GripWalk ISO 23223 soles guarantee comfort and grip when walking while remaining fully compatible with alpine bindings.

With the K2 Cortex 120 BOA®, you gain power, control, and confidence on all terrains. A boot designed for those who want to push their limits and enjoy high-level precision from the first turn to the last run of the day.