K2

Mindbender 140 BOA M Ski Boots 2025

$699.99$999.99
Final sale ? PRODUCT CAN'T BE RETURNED OR EXCHANGED.

Arguably K2's stiffest, most high-performance boot yet.


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Boot Size

All new to the 24' lineup, the Mindbender 140 BOA® is the stiffest boot we've put on the market. With both high-performance touring capability, and microadjustablity thanks to BOA® Fit System technology-- you're ready to take on both lift-assisted or backcountry endeavors.

BOA® Fit System:
The BOA® Fit System delivers dialed in performance and a micro-adjustable precision fit. It consists of three integral parts: a micro-adjustable dial, lightweight yet extremely strong laces and low-friction lace guides, which are applied in uniquely designed configurations to improve the fit and performance of the boot.

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.

BOA® FIT SYSTEM: DIALED IN:
Precision fit with on-the-fly tightening and loosening for enhanced responsiveness, optimized pressure distribution, and reduced pressure points.

BOA® FIT SYSTEM: LOCKED IN:
Connected fit designed to uniformly wrap the foot and minimize downward pressure, increasing heel lock-down for improved power and edge-to-edge control.

BOA® FIT SYSTEM: CONFIDENT:
Engineered for confidence and built to withstand rugged terrain and inclement weather, BOA® dials and laces deliver extreme durability. Bayonet and cartridge system ensures continued operation, even after heavy impacts.

MultiFit™ Last:
The MultiFit Last was developed in conjunction with the BOA® Fit System to accommodate a variety of foot shapes ranging from 97mm to 104mm, eliminating the need for multiple last options.

* Mindbender, Anthem, & Recon BOA® models range 97mm - 100mm
** BFC BOA® models range 100mm - 103mm (104mm with heat molding)

Fastfit Instep:
Softer TPU material is used in the instep area of select models' shells for quick and easy entry and exit.

Powerlite Shell:
K2's highest-performance shell design, utilizing shell walls of varying thicknesses and four different types of TPU to provide the ultimate combination of light weight and responsiveness.

Powerlock Spyne:
A performance-oriented walk mode designed for ski touring that offers a 50-degree range of motion. When in ski mode, Powerlock Spyne provides a powerful and secure connection for uncompromised downhill performance.

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.

Category
Freeride
Freetour
2 Piece

Product Weight(g)
1,816g @ 26.5

Ski Boots Volume
Medium

Ski Boot Last (mm)
97 - 100mm

Flex Rating
140

Ski Boots Shell
TPU

Ski Boots Outsole
GripWalk

Ski Boots Cuff Material
Pebax

Ski Boots Liner
Intuition PowerFit Wrap BOA®

Ski Boots Strap
Elastic Cam Strap - One Piece

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About K2

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; our Women’s Alliance™. Today we are resetting the K2 brand for the future, one that builds on this legacy to reposition as the industry leader.

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Skiing is who we are

We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949.

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