K2 Cortex 105 W Zonal BOA Womens Ski Boots - Blue
The K2 Cortex 105 W Zonal BOA delivers responsive performance engineered for intermediate to advanced women riders. Its BOA® closure system enables micro-adjustments for a locked-in fit without pressure points, while the 105 flex rating balances edge control with responsive turn initiation. Built for all-mountain versatility, this boot excels on groomed runs and variable terrain. The Cortex construction provides durability and consistent performance across changing conditions. Ideal for riders seeking precision, comfort, and reliable support throughout extended days on the mountain.
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: 105 – A stiff flex for advanced to expert skiers.
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-ExpertÂ
-
Ski Boot Flex: Stiff
- Forefoot Width: 98 mmÂ
- Liner Type: Custom
- Flex Index: 105
- Boot Sole Type: GripWalk (ISO 23223)
- Includes Tech Fittings: No
- BOA®: Yes
- Number of Buckles: Dual BOA
- Series: Cortex
- Warranty: 1 Year
Original: $327.45
-65%$327.45
$114.61More Images
K2 Cortex 105 W Zonal BOA Womens Ski Boots - Blue
The K2 Cortex 105 W Zonal BOA delivers responsive performance engineered for intermediate to advanced women riders. Its BOA® closure system enables micro-adjustments for a locked-in fit without pressure points, while the 105 flex rating balances edge control with responsive turn initiation. Built for all-mountain versatility, this boot excels on groomed runs and variable terrain. The Cortex construction provides durability and consistent performance across changing conditions. Ideal for riders seeking precision, comfort, and reliable support throughout extended days on the mountain.
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: 105 – A stiff flex for advanced to expert skiers.
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-ExpertÂ
-
Ski Boot Flex: Stiff
- Forefoot Width: 98 mmÂ
- Liner Type: Custom
- Flex Index: 105
- Boot Sole Type: GripWalk (ISO 23223)
- Includes Tech Fittings: No
- BOA®: Yes
- Number of Buckles: Dual BOA
- Series: Cortex
- Warranty: 1 Year
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The K2 Cortex 105 W Zonal BOA delivers responsive performance engineered for intermediate to advanced women riders. Its BOA® closure system enables micro-adjustments for a locked-in fit without pressure points, while the 105 flex rating balances edge control with responsive turn initiation. Built for all-mountain versatility, this boot excels on groomed runs and variable terrain. The Cortex construction provides durability and consistent performance across changing conditions. Ideal for riders seeking precision, comfort, and reliable support throughout extended days on the mountain.
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: 105 – A stiff flex for advanced to expert skiers.
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-ExpertÂ
-
Ski Boot Flex: Stiff
- Forefoot Width: 98 mmÂ
- Liner Type: Custom
- Flex Index: 105
- Boot Sole Type: GripWalk (ISO 23223)
- Includes Tech Fittings: No
- BOA®: Yes
- Number of Buckles: Dual BOA
- Series: Cortex
- Warranty: 1 Year
