The K2 Mindbender 85 BOA Women's Ski Boots offer comfort, control, and effortless adjustability with the BOA closure system. Designed for intermediate to advanced women skiers, these boots provide a supportive yet forgiving flex for all-mountain adventures. Featuring the BOA® Fit System for a precision fit and a forgiving 85 flex, it delivers a responsive, comfortable ride. The Powerlock Spyne walk mode offers a 50-degree range of motion for efficient uphill movement, while the LuxFit Pro Tour liner provides a customizable, heat-moldable fit. With GripWalk outsoles and integrated tech fittings, the Mindbender 85 BOA® is built for versatility and durability. With a just-right 85 flex and the super comfy BOA Fit System, they keep your feet happy all day long right up to the après hang. Slip the Mindbender 85 BOA Ski Boots on and get ready to explore more, worry less, and have a seriously good time in the mountains.With a simple and effective walk mode with a 50˚ range of motion, get ready to have the Mindbender do a number on your preconceptions of what a touring boot is all about.
Evolution Meets Revolution: In collaboration with BOA® Fit Systems - K2’s redesigned its boots deliver a better “wrap” with even more pressure distribution across the foot with the all-new Mindbender BOA® collection. Eliminating traditional boot fitting pain points like hotspots caused by overtightened buckles. This innovation changes traditional boot fitting methods, delivering all new levels of micro-adjustability at the intersection of performance and comfort.

At a glance

Material information & features

Specs

Gender: Women's Ski Boot
Size Range: 22.5 - 27.5
Ski Boot type : Alpine Touring Ski Boots -All Mountain - Freeride - Piste
Ability Level: Advance
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 category : Performance -Freetouring
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.
Boot Design: Standard Overlap with BOA®
Shell Material : Powerlite Shell .TPU Heat Moldable
Powerlite Shell - 1630 grams @ 26.5 - 4 different stiffnesses of TPU and optimal wall thickness come together for high performance and lowest possible weight. The totally new shell is purpose-built to result in the best skiing, lightest weight boots ever produced. Made with four different stiffnesses of TPU and optimized wall thickness profiling, the Powerlite Shell achieves a paradoxical balance of lightweight agility and power. The resulting boots weigh in as some of the lightest alpine and freeride on the market, yet they ski with all the power and drive of heavier boots. Rounded out with FastFit ease of entry and full TPU boot fitter customization capabilities, the Recon, Anthem, and Mindbender boot collections have raised the bar and proven that truly LESS IS MORE.
Shell – TPU (Thermoplastic Urethane)
Buckle Material: 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.
Flex Adjustment: No
Ski/Hike Mode: Powerlock Spyne – Rugged, precise and intuitive. The Powerlock Spyne walk mechanism allows for 50 degree range of motion when hiking and an unforgiving, powerful connection while skiing. The mechanism can also be adjusted to customize the forward lean of the boot between 10-17°.
Friction Free Cuff Pivot – An easy hinging cuff pivot designed to provide minimal resistance while in walk mode.
Flex Index: 95 - ideal for versatile all-mountain performance
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.
Fit : Fast Fit Entry – Softer TPU designed into the instep area of the Powerlite shell for quick and easy entry and exit.
Asymmetrical Toe Box – Fits the natural curvature of your toes for added comfort and to ensure a proper fit.
Custom Thermo Shell – The shell can be heat molded, punched, ground and customized with your favorite boot fitter (snowshop) for optimized comfort and performance. The shell can be widened up to 6 mm with this process.
Boot Last: 100mm (BOA® Fit System 97mm to 100mm)
BOA® Fit System. The MultiFit™ Last was developed in conjunction with the BOA® Fit System to accommodate a variety of foot shapes ranging from 97mm to 100mm out of the box (and up to 104MM* with heat molding).
Heat Moldable Liner: Fully Heat Moldable
Adjustable Canting: Yes Dual
Cuff Alignment: +/- 2 Degrees
Boot Liner: Luxfit Pro Tour Liner – Pre-molded and lasted with Ultralon heat-moldable foam. Features a medium-density foam, pre-molded ankle pockets, and a medium-density collar. Includes a tour notch at the back of the ankle for increased comfort and range of motion while hiking and skinning.
Completely heat moldable with pre-molded ankle pocket.
Power Strap: Yes, 35 mm A versatile mid-width VELCRO® power strap.
Stance : Forward Lean Adjustment – 10˚ to 17˚
Outsole: 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.
Weight: 1695 gr
Warranty: 1 Year
More details : Integrated Tech Fittings – Tech fittings in the toe and heel are fully integrated into the shell injection, allowing for compatibility with both tech and DIN bindings.

About the manufacturer

K2 is the original American Ski and Snowboard Brand, founded in 1962 in Washington State. The brand continued to pioneer by expanding into snowboards in 1987 and was the first brand to specifically engineer products for women starting in 1999; Women’s Alliance™. Today K2 is resetting its brand for the future, to one that builds on this legacy to reposition as the industry leader.
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.