K2 Cortex 140 Zonal BOA® Men’s Ski Boots 2026

Introducing the all-new Cortex 140 BOA® — the result of your favorite race boot crashing a K2 party. It’s a high-performance mashup of race precision and freeride freedom, engineered for those who want to dominate the resort and beyond.
Need proof? Max Hitzig won the 2024 Freeride World Tour riding a prototype of this boot.
This is, without question, the highest-performance ski boot K2 has ever built.