K2 Cortex Zonal BOA 120 Ski Boot 2026/2027

High-Performance Precision with Low-Volume Fit

The all-new Cortex 120 BOA® combines an aggressive 120 flex shell with micro-adjustable Zonal BOA® closure for ultimate power transfer. Built around a low-volume (96–98mm) shell and paired with an EliteFit Sport liner, this boot eliminates dead space without sacrificing comfort. It is designed for demanding skiers who require lightning-fast edge response and precise control in technical terrain.

• Best For: High-speed charging, steep terrain, and aggressive frontside performance.
• Skill Level: Advanced to Expert.

Why We Love It:

• Zonal BOA® Fit System: Micro-adjustable lacing delivers precise, pressure-free foot wrapping across key zones.
• Low-Volume Shell (96–98mm): Snug, performance-oriented fit offers immediate energy transfer to the ski edges.
• Integrated Tech Fittings & GripWalk: Versatile sole design provides superior walking traction and binding compatibility.