Charge into untracked powder or carve pristine corduroy with absolute confidence in the K2 Cortex 105 Zonal BOA Ski Boot 2026 - Women's. This responsive 105-flex boot empowers every turn and descent across the mountain, delivering a level of precision that redefines all-mountain performance. Experience an unparalleled, finely-tuned fit as the Zonal BOA® Fit System evenly wraps the foot, banishing pressure points and adapting seamlessly across a 96mm to 98mm MultiFit™ Last. The EliteFit Sport heat-moldable liner cradles the foot with anatomical precision, ensuring immediate energy transfer and lasting comfort from first chair to last. K2 designed the Cortex 105 with an effortless FastFit™ Instep for quick entry and exit, complemented by GripWalk Outsoles for confident strides across slick base areas. Fine-tune cuff alignment and forward lean for personalized aggression, while the lightweight, fully heat-moldable Powerlite Shell provides a custom contour that amplifies every input. Engineered for skiers ready to master varied terrain, from high-speed groomers to technical off-piste excursions, this boot ensures a powerful connection to the snow without sacrificing all-day wearability. 
 
PRODUCT CONDITION
 
This K2 Cortex 105 Zonal BOA Ski Boot 2026 - Women's is in New condition. 
 
Products in New condition have not been used or worn, and show no signs of wear. New items may have the original tags attached or come in their original packaging.   



TECH SPECS

• Category: All Mountain, 2 Piece
• Ability: Intermediate
• Category: BOA® Fit System
• Collection: Cortex, BOA®
• Ski Boot Liner: EliteFit Sport
• Ski Boot Strap: Non-Elastic Cam Strap - One Piece
• Width: 96mm, 98mm
• Best For: Freeride, Big Mountain, Powder, Speed
• 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: 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: BOA® boots with multi-fit last allow for a greater range of foot shapes to fit within the same shell family. Multi last boots are offered in three different volumes, low volume (Cortex) medium (Recon, Anthem and Mindbender) and high (BFC).
• 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.
• Fully Heat-Moldable: Both the boot's shell and cuff are capable of being heat-molded to a variety of foot shapes for a true custom fit.