K2 Cortex 120 Zonal Boa Mens Ski Boots 2026
The K2 Cortex Zonal 120 BOA® is an advanced low-volume, all-mountain ski boot that blends race-bred performance with everyday comfort. Spotted on FWT podiums, the Cortex Zonal 120 BOA® delivers dialed-in power transmission, a micro-adjustable BOA® fit system, and walk-friendly GripWalk outsoles — all in a heat-moldable, two-piece shell designed for freeride, big-mountain, powder, and speed. Available in sizes 24.5-28.5 and weighing 2179g (26.5), the Cortex 120 pairs a stiff 120 flex with features that make entry, exit, and long days on snow effortless.
Key Details
Ability
Advanced
Category
All Mountain, 2 Piece
Best for
Fit & Systems
| Sizes | 24.5, 25.5, 26.5, 27.5, 28.5 |
|---|---|
| Product Weight | 2179 g @ 26.5 |
| Last Width | 96 mm, 98 mm |
| Ski Boot Liner | EliteFit Sport |
| Strap | 45 mm Non-Elastic Cam Strap — One Piece |
| Outsoles | GripWalk Outsoles (preinstalled, ISO 23223) |
| Collection | Cortex, BOA® |
| Shell Type | 2 Piece (Cuff & Shell) |
- BOA® Fit System: micro-adjustable dial, strong laces, low friction guides for a precision fit
- EliteFit Sport Liner with Full Lace Up Liner and Adjustable Liner Tongue for tailored comfort
- Fastfit Instep (softer TPU) for easier entry and exit
- Energy Bolt Spine: bolted rear cuff for rearward support; top bolt removable for a more progressive cuff response
- Ski Edge Sensitivity (SES) Shims in liner cuff to tune edge initiation and stability
- Dual Cuff Alignment: +/-2° adjustment each side
- MultiFit™ Last and True LV Fit: narrow heel/ankle with usable forefoot room
- Fully Heat-Moldable shell and cuff for custom shaping