K2 Cortex Zonal BOA Ski Boots 2026'
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Please make sure you choose the correct color and size from drop down boxes above "add to cart" button. Color pictured will not always reflect color selected.
The K2 Cortex 120 Zonal BOA Ski Boots set a new benchmark for performance and fit with a dual BOA design that delivers micro-adjustable precision across both cuff and shell. The all new BOA cuff is engineered to distribute pressure more consistently around the lower leg for improved flex and response, and with less fiddling to find the sweet spot. On the inside, this 120-flex ripper combines a true low-volume fit with a full-lace liner to keep your feet happy from first lap to final descent. For skiers who demand exceptional precision, response, AND comfort, the Cortex 120 is the way to go.
Product Details
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.
Dual Cuff Alignment
Fully Heat Moldable
Adjustable Rear Cuff Spoiler
Flex
Flex: 120 – A stiff flex for advanced to expert skiers.
Liner
EliteFit Sport Liner – Full lace up liner with an adjustable tongue.
Ski Edge Sensitivity Shims
Shell Materials & Design
Shell – TPU
Cuff – TPU
Energy Bolt Spine
Buckles
BOA® Fit System – The BOA® Fit System provides a performance fit engineered to enhance feel and responsiveness while reducing pressure points by incrementally modulating the Alpine boot closure with precise micro-adjustments.
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 rockered soles designed to work with GripWalk binding systems for better grip and comfort while walking, standing, and hiking.
Specs
- Ability Level:Advanced-Expert
- Ski Boot Flex:Stiff
- Forefoot Width:98 mm
- Liner Type:Custom
- Flex Index:120
- Boot Sole Type:GripWalk (ISO 23223)
- Includes Tech Fittings:No
- BOA®:Yes
- Number of Buckles:Dual BOA
- Series:Cortex
- Warranty:1 Year