Boone Mountain Sports - K2 MINDBENDER 110 ALLIANCE SKI BOOT - 2020


Regular price $599.99 Sale price $359.99 Save $240.00

When your definition of "all-mountain" means not just the ones with ski lifts, the K2 Mindbender 110 Alliance Alpine Touring Ski Boots should be high on your list of required footwear. With a powerful 110 flex, strong but light Powerlite shell with Pebax Bioresin cuff, and Gripwalk soles with tech fittings, the Mindbender 110 Alliance is a virtual Swiss Army Knife for your feet. Booting, skinning and ripping downhill are all strengths of this boot, and we can think of few better tools for the backcountry oriented freeskier.

Product Details


Last: 98 mm – A narrow last for skiing precision or low volume feet.

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.

Navicular Punch – A strategic bump built into the boot mold to alleviate pressure commonly experienced during ankle flexion.

Women's Specific Last – A lower cuff height, volume and narrower heel to accommodate women's lower leg and foot shapes.

Custom Thermo Shell – The shell can be heat molded, punched, ground and customized with your favorite boot fitter for optimized comfort and performance. The shell can be widened up to 6 mm with this process.


Flex: 110 – A very stiff flex designed for expert women skiers.


PrecisionFit Pro Tour – Laceable, pre molded and lasted with Ultralon heat moldable foams. Features an asymmetric tongue, a medium density collar & foam package with a flex notch for increased range of motion while hiking.

Shell Materials

Powerlock Spyne – A rear co-injected "Y" shaped support that adds strength and power in order to maximize fore/aft flex efficiency and lateral stiffness for responsiveness in every type of terrain.

Powerlite Shell – The totally new Powerlite 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 boots on the market, yet they ski with all the power and drive of heavier boots.

Shell – TPU (Thermoplastic Urethane)

Cuff – Pebax® Bioresin


Forward Lean Adjustment – 10˚ to 17˚

Ski/Walk Mode

Powerlock Spyne Walk Mode – Powerful and solid external walk mode with 50˚ range of cuff motion.

Friction Free Cuff Pivot – Low friction cuff pivot to ease range of motion.


4 Micro Adjustable Light Alloy

Power Strap

45 mm Ripcord Power Cinch Strap – Releases in a flash for quicker transitions.


Gripwalk Outsole – ISO 9523 replaceable soles for traction and compatibility with tech and Gripwalk approved alpine bindings.

Integrated Tech Fittings


  • Includes Tech Fittings:Yes
  • Touring UsedFor:Burly
  • Ski Boot Flex:Very Stiff
  • Forefoot Width:98 mm
  • Liner Type:Semi-Custom
  • Flex Index:110
  • Number of Buckles:4
  • Boot Sole Type:Tech, GripWalk
  • Warranty:1 Year
Size 22.5 23.5 24.5 25.5 26.5
Indiv. Boot Weight (g)     1575    
Boot Sole Length (BSL) (mm) 264 274 284 294 304