Mountainside Ski & Sports
he 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 fTreeride 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.
Cuff + Shell BOA® Fit System – True LV Fit – Fastfit Instep – Dual Cuff Alignment – Energy Bolt Spine – Adjustable Rear Cuff Spoiler – Intergrated Toe Tech Fitting – GripWalk Outsoles – Powerplate – Ski Edge Sensitivity Shims – Full Lace Up Liner – Adjustable Liner Tongue
Flex 10/10
