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Frontside Skis

The Best Women’s Frontside Skis of 2022: K2 Disruption 81 Ti Alliance

Think K2s are fun but not serious enough to tackle groomers? Think again.

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Brand: K2

Model: Disruption 81 Ti Alliance

Overall Ranking: #7

Overall Score: 3.77 / 5


Tip / Waist / Tail (mm)


Lengths (cm)

146, 163, 160, 167

Radius (m)

14.8 (160cm length)

Waist Width (mm)





Intermediates to Experts

Rocker Technology


Core Material

Wood, Titanal

Stability at Speed

3.95 / 5

Quickness / Maneuverability

4.45 / 5


3.95 / 5


3.73 / 5

Hard Snow Performance

4 / 5

Crud Performance

3.68 / 5

Balance of Skills

3.77 / 5


2.55 / 5

2022 K2 Disruption 81 Ti Alliance

A K2 ski that excels on hard snow? Specifically for ladies? Yes and yes. With the Disruption line, first introduced for men last season and now making its way onto the women’s shelves, K2 is finally showing up in the carving and frontside arena.

The all-new K2 Disruption 81 Ti Alliance impressed our testers with its quiet confidence on groomers, a testament to K2’s Dark Matter Damping technology and the limited rocker profile of this ski. Testers awarded it high marks in Hard-Snow Integrity accordingly.

“Really nice on groomers,” remarks tester Katie Ryan. “Felt like the front two inches of the ski was glued to the snow, which gives it great stability.”

Some testers found that the Disruption 81 Ti Alliance’s minimal tip rocker and long effective edge made this ski a little stubborn when it came to releasing the edge at the end of each turn. This is likely why the ski got lower scores in Forgiveness.

But other ladies found the K2 Disruption 81 Ti Alliance particularly zippy and lively, and the ski ended up with the second-highest scores in Quickness in the Frontside category. “Bring on the bumps and short turns,” comments tester Tracy Gibbons. “Quick and snappy with a consistent feel from tip to tail. A great frontside ski for a gal who also wants to improve her frontside carving.”

On that topic: Learn how to tip ’em and rip ’em with these carving drills

The ski’s one weakness is its performance in crud. The Disruption 81 Ti Alliance may be damp, but with a narrower waist width and long effective edge, it doesn’t plow through chopped-up snow as effortlessly as some in the Frontside category.

Testers recommend keeping the K2 Disruption 81 Ti Alliance on the groomed, where it will impress you on edge, or in the bumps, where you’ll appreciate its knack for short turns. That said, since groomers and bumps make up the bulk of frontside skiing, this ski won’t disappoint stronger intermediates or experts looking for a solid yet fun frontside tool.

“It’s an energized ski on the groomers and easy dance partner through the bumps,” sums up tester Erika Northrop. “The ski’s shape tricks you into thinking this is just a carving machine, but take it off the groomers and into the bumps to partake in a fun ride.”

  • Strengths: Quickness (2nd in category), Hard-Snow Integrity (7th)
  • Weaknesses: Crud Performance (8th), Versatility (8th)

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