K2 Cortex 120 Zonal BOA Men's 25/26 Ski Boots

K2 Cortex 120 Zonal BOA Men's 25/26 Ski Boots bring a completely new vision of performance ski boots: the power of a competition model combined with the comfort you want from the first ascent to the last descent. Created for advanced skiers who demand precision, stability and a perfect fit, the Cortex Zonal 120 redefines the standard for top all-mountain boots.

The Low Volume lower shell and stiff upper cuff are specifically designed to integrate the BOA® Fit System, which offers uniform, micro-adjustable closure in two independent zones. This Zonal configuration allows precise adjustment both in the lower section and around the calf, eliminating pressure points and optimizing energy transfer to the ski. The result is a customized fit that is both comfortable and high-performing.

The K2 Cortex Zonal 120 BOA offers a flex of 120, balanced between the power needed for control at high speed and sufficient flexibility for a full day on the slopes. The heat-moldable Elite Fit liner conforms perfectly to the foot, ensuring targeted support and consistent comfort. Entry into the boot is quick thanks to the Fastfit Instep design, while the high cuff and 45 mm strap offer excellent stability in turns. All these elements work together to provide precise control and a natural feel while skiing.

The Cortex Zonal 120 BOA is the ideal choice for advanced skiers who want real performance without sacrificing comfort. It is a boot that feels just as good on a day of intense carving in Poiana Brașov, on hard slopes in Sinaia or during controlled freeriding in the Alps. A model that offers freedom, response and premium comfort — the kind of boot that makes you smile on every descent.


Technologies
 

EliteFit Sport Liner – The EliteFit Sport liner combines comfort with performance, offering a medium fit and support zones around the ankle. Ideal for intermediate and advanced skiers seeking all-day comfort without sacrificing control.

45MM Cam Buckle Strap – Wide cam strap (45 mm) that offers maximum cuff support and precise closure. Ideal for performance boots where stiffness and control are essential.

GripWalk Outsoles – GripWalk soles compliant with ISO 23223, with a curved profile for increased grip and walking comfort. Compatible with the Marker GripWalk system, they offer stability and efficient force transmission between boot and binding. Preinstalled.

Fastfit Instep – Softer TPU material in the instep area for quick, easy and effortless entry and exit.

BOA® Fit System – The BOA® system offers a micro-adjustable, precise fit with uniform tightening around the foot. Consisting of an adjustable dial, durable laces and low-friction guides for quick fastening and consistent comfort.

MultiFit™ Last – The MultiFit™ shape was developed together with the BOA® system to fit a wide range of foot shapes, between 96 mm and 104 mm, eliminating the need for multiple width options.

True LV Fit – New Low Volume (LV) shape with a narrow heel and ankle but extra space around the forefoot and toes for optimal comfort throughout the day.

Energy Bolt Spine – Bolt system on the back of the cuff that offers excellent rear support and precise forward flex. The upper bolt can be removed for more progressive flex and slower cuff response.

Liner featuring Ski Edge Sensitivity Shims – Adjustable liner inserts that allow ski edge sensitivity to be adjusted. The inner inserts increase response and speed in turns, while the outer ones offer stability at high speed.

Full Lace Up Liner – Lace-up liner for optimal hold and precise adjustment around the foot.

Adjustable Liner Tongue – Adjustable liner tongue, attached with Velcro in the toe area, allowing adjustment for a perfect fit over the top of the foot.

Dual Cuff Alignment – Dual cuff alignment system that allows lateral adjustment by ±2° for a position perfectly adapted to the anatomy of the leg.