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- Stock: In Stock
- Brand: K2 Ski Boots
- SKU: 03-70-25-002
Size
Low-volume fit and precision, without the race boot ego. A Fast Fit instep makes the Cortex 110 BOA® easy to get on and off, so you can focus on leveling up your game on the hill. The K2 Cortex 110 BOA Ski Boots are like your best ski buddy: easygoing, reliable, and always down to rip. With the twist of a dial, the BOA Fit System locks you in so quick and comfy, you’ll beat your friends to the lift AND down the hill. From mellow cruisers to races you didn't know you were in until you won, these are your go-to boots for daily mountain missions. Comfort Without Compromise. Looking for a ski boot that offers responsive control and premium comfort—without the stiffness of a race boot? The K2 Cortex 110 BOA is your perfect fit. Designed with Low Volume construction, it hugs your foot for a snug, precise fit that enhances every move you make on the mountain. Effortless Precision with BOA® Fit System. The BOA® Fit System lets you dial in your fit with pinpoint accuracy—even with gloves on. Enjoy an even, pressure-free wrap around your foot that boosts performance while eliminating discomfort. Perfect for skiers who want a balanced ride and all-day confidence.
Lightweight Feel, Strong Performance. With its streamlined shell design and a classic cuff setup, the Cortex 110 BOA delivers smooth transitions and reliable edge-to-edge control. Paired with the Elite Fit liner, this boot offers a comfortable, performance-oriented feel right out of the box.
Who is the K2 Cortex 110 Boa ski boot for?
The K2 Cortex 110 Boa is designed for skiers looking for precision and control on all types of terrain, from piste edges to more technical groomed runs. Its intermediate flex of 110 favors excellent energy transmission while retaining appreciable forgiveness to link turns with confidence. The Boa tightening system guarantees a fast, even fit, providing optimal foot support without pressure points. With its 98 mm boot volume, it's aimed primarily at slim feet, but remains suitable for medium-footed skiers looking for precision and support.
Material information & features
Specs
Gender: Men's Ski Boot
Size Range: 25.5 - 30.5
Ski Boot Type: Piste ski All mountain-ski for narrow feets.
Boot category : Performance - Sporty
Recreational: designed for skiers with a beginner or intermediate level looking for a comfortable boot that's easy to use.
Recreational - Performance : Designed for skiers with an intermediate or advanced level looking for a compromise between comfort, hold and technique.
Sporty: Designed for expert skiers looking for precision, stiffness and technique.
Freeski: Designed for freeskiers (freestyle and powder) looking for precision, dampening and a "less conventional" style.
Freetouring: Alpine boots featuring ski/walk systems allowing to use them for touring or for skiing.
Touring: Light touring boots allowing easy walks. Designed for tourers focusing on the weight and technique of their boots.
Ability Level: Advanved
Beginner - Intermediate : Occasional rider still learning. Rides only on groomed snow and makes technical mistakes.
Intermediate - Advanced : Rides reguarly, feels confident on all kinds of terrains and slopes. Makes very few technical mistakes.
Advanced - Expert : Rider who has excellent technical and physical skills and who rides fast in any conditions.
Boot Design: Standard Overlap with BOA®
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.
Material : Shell – TPU (Thermoplastic Urethane) TPU Heat Moldable
Cuff – TPU (Thermoplastic Urethane) TPU Heat Moldable
Powerlite Shell – K2's highest performance shell design, utilizing shell walls of varying thickness and four different types of TPU to provide the ultimate combination of light weight and responsiveness.
Fastfit Instep: Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit.
Energy Bolt Spine: A bolted rear cuff gives Cortex excellent rearwards support and a precise forward flex. The top bolt can be removed to allow for a more progressive cuff response and slower rebound.
Buckles: 2 Light Alloy Top Buckles
Boa® Fit System
Lower Closure – Dial it tighter, dial it looser (or pull up and release
the cable entirely) with the new, burlier H+i1 dial, SS3 Stainless Steel
cable, and heavy duty rivet guides.
Buckles Material: Alloy - Micro Adjustable
Bootboard & Footbed: Modular Honeycomb Bootboard – Hard and soft inserts included
Flex Adjustment: No
Ski/Hike Mode: No
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.
Flex Index: 110 - Medium to stiff flex for advanced skiers
who are looking for a boot that can handle their skill level and offer
the right amount of support and comfort.
The boot's stiffness.
The higher the number the more resistance to your leg flex in the boot.
S tiffer boots are for higher level riders and softer boots are more
forgiving. 130 flex is just right for driving the biggest skis at the
highest speeds.
Boot Last: 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
True LV Fit: All new low volume last featuring our narrowest heel and ankle while maintaining a little room in the forefoot and toe box for an all day performance fit.
Heat Moldable Liner: Yes
Adjustable Canting: Yes Dual
Cuff Alignment: Dual sided cuff alignment for +/-2 degrees of cuff adjustment.
Boot Liner: EliteFit Plus Liner: EliteFit Plus provides a comfort-first fit with plush foam and a more relaxed shape. Perfect for recreational skiers or those with wider feet who prioritize warmth and cushion.
Full Lace Up Liner: Lace up liner for the optimal liner fit
Liner featuring Ski Edge Sensitivity Shims: Ski Edge Sensitivity allow the skier to tune edge initiation of the ski.
SES Shims on Medial side of liner Cuff produce more inside edge angle. Skis feel more reactive and quicker to edge, excellent for slower more precise skiing.
SES Shims on the Lateral side of liner Cuff produce less inside edge angle. Skis feel more controlled and more stable, excellent for higher speeds.
Power Strap: Yes, 40mm PowerCinch Power Strap
Forward Lean: 12 degrees, 14 degrees with Power Wedge
Outsole: GripWalk Outsoles – Removable and interchangeable rockered soles designed to work with GripWalk binding systems for better grip and comfort while walking, standing, and hiking.
Warranty: 1 Year
More details :FastFit Entry. Powerfuse Spyne.Energy Interlock
The Promise...
As a part of the ski, snowboard, and winter sports community K2 people spend all of their time in the mountains and are conscious of the environment. K2 is committed to making a more sustainable future for both people and the planet, as it moves forward with conscious discipline towards mindful product manufacturing and materials selection, reducing its impact on.
The Objective...
is to prioritize sustainability in all aspects of its business to achieve the targets of a 50% reduction in carbon emissions by 2030, an 80% reduction by 2040, and net-zero before 2050.
The Execution...
K2 will identify, measure and improve sustainability in all areas of its business; from materials selection, production processes, waste reduction, transportation, end-of-use planning, and energy consumption.
Process
• Create the longest-lasting product on the market.
• Near Term - Replace all materials with the most sustainable alternative.
• Mid-Term - Innovate new materials and processes.
• Mid-Term - Create end-of-life uses for the product that is more sustainable than disposing of the product.
• Total packaging to be 95% sustainable by 2025.
Production
• Installation of Solar Panels at K2’s Kaitai factory converted 44% of manufacturing energy to date into renewable energy.
• Achieved a 66% facilities lighting reduction immediately via an energy conversion program.
• K2 is 100% offset on carbon emissions caused by its freight usage since 2021.
Practice
• As a company, K2 is focused on sustainability for the future in every department and with every employee.
• K2 headquarters is an Energy Star certified building, using 35% less energy than other buildings city and nationwide.
• Via its urban office location, the primary modes of employee commuting are via public transportation and bicycles.
