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Scott Cosmos III Alpine Touring Boot


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Cosmos III Alpine Touring Boot

If you'd rather not spend your days in the backcountry with your feet crammed into an unforgiving race boot or floating around in a floppy-noodle rando boot, then get yourself the Scott Cosmos III Men's Alpine Touring Boot. Made of a marvelously stiff and light Grilamid plastic, the Cosmos II is a fairly aggressive boot, with a flex of 115 and a lean angle of 11.5 degrees. It also weighs just over three pounds, making it seriously competitive in the poundage department. But it's a more powerful boot than many of the other AT offerings out there, including Scott's slightly lighter Orbit II, thanks to the Grilamid and Scott's PowerLite reinforcing ribs that are placed through the shell and cuff. If you're a serious skier who spends serious time getting to serious lines, the Cosmos is one you don't want to miss.

Don't get the impression that it's a one-dimensional downhill boot, either. It has 60 degrees of cuff rotation for easy ankle articulation, a rugged ski/walk switch, and an aluminum lean/lock bar that allows both the shell and the cuff to move freely for a more natural touring motion. Scott's also redesigned the tech fittings, making them Dynafit certified for an easy and solid connection with Dynafit tech bindings. We'd also be remiss to not mention the PWR Lite liner, which is seamless, fully thermo-moldable, and it has a reinforced tongue for plenty of smooth-flexing power.

  • Alpine touring boot built for long-distance tours
  • Wide 103mm last provides a comfortable, roomy fit
  • 115 flex is the second stiffest backcountry ski boot from Scott
  • External walk mode delivers a rigid cuff-to-shell connection
  • Vibram rubber sole maintains solid traction on the bootpack
  • Micro adjustable buckles offer an adjustable fit
  • Item #SCO00XD

Shell Material
Powerlite Grilamid
Last Width
Buckle Material
Lean Angle
Walk Mode
Rear Hook
Thermo-moldable Liner
PWR Lite High
Liner Closure
Dynamic Power Strap
Binding Compatibility
Claimed Weight
[size 26.5] 3lb 2oz
Recommended Use
backcountry skiing
Manufacturer Warranty
limited 2 years

Tech Specs

What do you think about this product?


>Rating: 5

Great boots but...

I've used it once or twice and have initial impressions

These were great for my first time touring however they were extremely tight which I then realized I could have adjusted before we head out on the tour. I have thick calves and should have known how tight they would have been from the get-go. Lots of neat features I really can not comment much on because they were new to me all around, never having ski before. I am a snowboarder and this was my first taste of skiing. Next time I will adjust them and hopefully will not have a bruised chin to make it more enjoyable.

>Rating: 5

Light and comfy

I've put it through the wringer

Light, comfortable and skis amazingly well. This is by far my favorite ski boot. I find many touring boots to be too narrow, even with my average-sized foot. These fit perfectly. And they ski amazingly. I find myself using them over my alpine boots on regular basis.

>Rating: 5


I've put it through the wringer

This boot has always skied well but with hiccups. Finally, it has been perfected with its new ski-walk design. Love 'em!


Are these boots compatible with Salomon Shift binding? Thanks!


Are the Cosmos III compatible with Marker Griffon bindings?