K2 Cortex 130 Zonal BOA 2026
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K2 Cortex 130 Zonal BOA Ski Boots – Built to Perform, Engineered to Dominate
Race-driven power meets BOA®-precision fit for elite all-mountain control.
The all-new K2 Cortex 130 Zonal BOA® Ski Boots redefine high-performance skiing. Merging freeride versatility with race-inspired power, these low-volume boots feature a stiff 130 flex and a dual-zone BOA® Fit System for unmatched micro-adjustable precision and responsiveness. Designed for aggressive skiers, the Cortex 130’s Elite Fit liners provide a customizable feel, while the modern design ditches the race boot look without compromising on tech. Whether you're carving groomers or dropping into big mountain lines, this boot delivers the control, comfort, and confidence you need to push limits.
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| FIT |
MultiFIT Last: 96-98 mm – The MultiFit Last was developed in conjunction with the BOA® Fit System to accommodate a variety of narrower foot shapes ranging from 96mm to 98mm. FastFIT Instep – Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit. True LV - All new low volume last featuring our narrowest heel and ankle while maintaining a little room in the forefoot and toe box for an all day performance fit. |
| FLEX |
Flex: 130 |
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SHELL MATERIAL |
Fastfit Instep - Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit. Dual Cuff Alignment - Dual sided cuff alignment for +/-2 degrees of cuff adjustment. Energybolt Spine - A bolted rear cuff gives Cortex excellent rearwards support and a precise forward flex. The top bolt can be removed to allow for a more progressive cuff response and slower rebound. |
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LINER |
Full lace up liner with an adjustable tongue - Lace up liner for the optimal liner fit Ski Edge Sensitivity Shims Adjustable Liner Tongue - Tongue is attached with velcro in the tow box and can be adjusted to help provide the optimum fit across the top of the foot |
| BUCKLES |
BOA® Fit System – The BOA® Fit System shell delivers dialed in performance and a micro-adjustable precision fit. It consists of three integral parts: a micro-adjustable dial, lightweight yet extremely strong laces and low-friction lace guides, which are applied in uniquely designed configurations to improve the fit and performance of the boot. H+i1 DIAL – Provides micro-adjustable, precision fit and quick release, with quality and durability guaranteed. The BOA dial platform features a breakaway design engineered to eject the dial cartridge upon severe impact without damaging the system, allowing skiers to pop the dial back into the bayonet midmountain. In the unlikely event that the system is broken, it can be easily repaired and replaced. |
| POWER STRAP |
Cam Booster Powerstrap |
| SOLE |
GripWalk ISO 23223 Outsoles – Removable and interchangeable ISO 23223 alpine rockered soles collaboratively designed to work with Marker’s Grip Walk binding system for better grip and added comfort when walking and standing in boots, |
SPECS |
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| BEST FOR |
Freeride, Big Mountain, Powder |
| LINER TYPE |
Custom |
| FLEX INDEX |
130 |
| BOOT SOLE |
GripWalk (ISO 23223) |
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