Product details
The K2 Cortex 105 Zonal BOA® is a stiff, freeride-ready women's ski boot built for advanced skiers who want race-boot-level response at Big White and Silver Star. Its low-volume 98mm last and Zonal BOA® Fit System deliver an even, custom wrap for confident, precise control whether you're pushing into Big White's deep powder or holding speed down Silver Star's long groomed runs.
| KEY FEATURES |
Zonal BOA® Fit System with a micro-adjustable dial for a precise, even wrap around the foot True LV women's fit — a low-volume 98mm last built for a locked-in, performance-oriented hold EliteFit Sport liner with supportive ankle pockets for all-day skiability without sacrificing control TPU-coated top and bottom shell adds durability and weather resistance against scuffs and moisture Fastfit Instep uses softer TPU in the instep for quicker, easier entry and exit Fully heat-moldable shell and cuff for a custom fit tailored to your foot |
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WHO IS THIS FOR? |
This boot suits advanced women skiers who want a stiff, responsive freeride boot without sacrificing all-day comfort. If you're chasing speed and bigger terrain at Big White or Silver Star and want a low-volume fit with easy on/off, the Cortex 105 Zonal BOA is worth trying on. Our team at Fresh Air will help you find the right boot and fit in-store at both Kelowna locations. Stop by to talk with one of our experienced staff members, or call 250-763-3425. |
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WHY SHOP WITH US |
As a certified K2 dealer, our team offers in-store boot fitting to dial in your shell size, flex, and stance for the terrain you ride most at Big White and Silver Star. We also offer custom footbeds, liner and shell punching, and buckle or lace replacement in-store. Drop into Fresh Air Pandosy (555 Groves Ave) or Fresh Air Dilworth (1656 Dilworth Drive). |
| FAQ |
Q.What ability level is the K2 Cortex 105 Zonal BOA built for? Q.How does a Zonal BOA® Fit System differ from a standard single BOA closure? Q.What does a TPU-coated shell add to a ski boot? |
SPECS |
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| FIT |
98mm Low Volume last (True LV Fit) — a low-volume, locked-in fit for performance-focused skiing |
| FLEX |
105 — a stiff flex suited to advanced skiers who want quick, precise response |
| SHELL |
TPU shell and cuff with a TPU-coated top and bottom for added durability and weather resistance, fully heat-moldable |
| STANCE |
Après Mode design for easier walking to and from the slopes |
| SOLE |
GripWalk ISO 23223 outsole, preinstalled, for better walking grip and comfort |
| LINER |
EliteFit Sport — a medium-volume liner with supportive ankle pockets for all-day skiability |
| BUCKLES |
Zonal BOA® Fit System |
| POWER STRAPS |
45mm Cam Buckle Strap for maximum cuff support and precise closure |
| RIDER PROFILE |
Best For: Freeride, big mountain, powder, and speed Ability Level: Advanced Liner Type: EliteFit Sport (medium-volume, supportive) Flex Index: 105 Last: 98mm, Low Volume Boot Sole Type: GripWalk ISO 23223 (preinstalled) |
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Review 2027 K2 Cortex 105 Zonal BOA® — Women's Freeride Ski Boot
