K2 Women's Cortex 105 Zonal BOA® Ski Boots 2026

K2 Women's Cortex 105 Zonal BOA® Ski Boots 2026

The Cortex Zonal 105 BOA® delivers the perfect blend of fit, precision, and features to keep you charging all day—while your squad taps out to take charcuterie board photos for Instagram. It offers race-boot-level performance without sacrificing easy entry or all-day comfort. Dial into the Cortex 105.

Technology

• TPU Coated Top and Bottom: A rugged TPU (thermoplastic polyurethane) coating on the boot’s top and bottom adds enhanced durability, weather resistance, and structural support. This protective layer helps shield against scuffs, moisture, and impacts—keeping your boots performing and looking sharp season after season.
• EliteFit Sport Liner: This liner blends comfort and performance with a medium-volume fit and supportive ankle pockets. It’s great for intermediate to advanced skiers looking for all-day skiability without sacrificing control.
• GripWalk 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, but doesn’t compromise the power transmission and release function between the boot and binding when skiing. Preinstalled.
• Fastfit Instep: Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit.
• BOA® Fit System: The BOA® Fit System 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.
• MultiFit™ Last: The MultiFit Last was developed in conjunction with the BOA® Fit System to accommodate a variety of foot shapes ranging from 96mm to 104mm, eliminating the need for multiple last options. Mindbender, Anthem, & Recon BOA® models range 97mm - 100mm. Cortex BOA® models range 96-98mm. BFC BOA® models range 100mm - 103mm (104mm with heat molding)
• 45MM Cam Buckle Strap: A wide cam-style power strap that delivers maximum cuff support and precise closure. Ideal for high-performance boots where stiffness and control are key.

Specs