Why we chose the K2 Mindbender Alliance 110: Women-specific fit, low weight, high-performance

Flex: 110
Last: 98mm
Cuff Range: 50°
Forward Lean: 10-17°
BSL: 284 mm (24.0)
Binding Compatibility: GripWalk and pin bindings
Weight (per boot): 1640g (at MP 24.5)

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K2 revitalised their long-standing Women’s Alliance in 2019 and, following extensive collaboration with their female athletes (including freeride pioneers Amie Engerbretson and Lexi Dupont), they’ve released some of the hardest-charging gear out there. The K2 Mindbender 110 Alliance is no exception, delivering no-compromise all-mountain and freeride performance.

Saying that, we’d expect nothing less from boots donned by the backflipping Queen of Corbet’s Couloir, Veronica Paulson.

K2 Mindbender 110 Alliance Build

The beauty of the Mindbender 110 Alliance lies in its combination of power and practicality – a product of K2’s ‘Powerlite’ shell. The boot’s hybrid construction joins four different plastics of varying thickness to exact the maximum functionality from each part of the boot. For example, a stiff TPU plastic shell provides support to the outside of the foot, while a softer TPU instep makes the Mindbender 110 Alliance easier to slip on and off.

With its 110 flex sitting at the aggressive end of women’s ski boot flex ratings, you might expect the K2 Mindbender 110 Alliance to be on the bulkier side. In fact, K2’s Powerlite construction slims the boot down to 1640g, creating a hard charging freeride boot that won’t bog you down in the backcountry.

And when it comes to the backcountry, the Mindbender 110 Alliance is fully kitted out. Integrated tech-fittings ensure the boot’s compatibility with both pin and alpine DIN bindings. K2’s ‘Powerlock Spyne’ walk mechanism provides a generous 50-degree range of motion and allows you to customise your forward lean by a whole 7 degrees. K2’s highest-performing touring liner – featuring stiffer foam and lace-up fastening – adds to the boot’s sturdiness.