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Description

State-of-the-art mountaineering performance re-defined.

Weighing in at just over a pound each, the La Sportiva Stratos Evo Alpine Touring Boot is one of the lightest ski-mountaineering boot ever produced. Made entirely of carbon fiber, the competition-inspired Stratos Evo easily switches between hike and ski modes for ultra-fast ascents and the performance on the descent that would give any top-tier alpine ski boot a run for its money. Although the Stratos Evo comes at a price, you need the best if your aspirations include competing with the best.

  • 3K Twill Carbon shell is molded with aeronautical technology, maintains its shape and performance in any temperature, and allows the boots to weigh in at just over a pound each — one of the lightest AT ski boot on the planet
  • Thermo-formable EVA Stratos liner features a patented double tension lacing system and a patented hinge system that allows full ankle articulation
  • Compatible with a two-piece, micro-light Bikini liner for gram-conscious competition racing (sold separately)
  • Anchor and leverage device features two forward lean settings and a shock absorber for medial tibial impact common during the descent
  • Carbon cuff allows for unrestricted ankle movement
  • Instep inclination permits the natural movement of the foot while walking or running
  • Posterior flex device allows a one-movement switch between walk and ski modes while providing downhill performance akin to a high-end alpine ski boot
  • Steel toe fittings and carbon-coated rear fittings ensure a perfect pairing with the binding
  • Waterproof zip stretch gaiter allows for easy entry and exit
  • Weight-reduced thermal Vibram sole provides excellent grip for ski mountaineering, conforms to ISMF regulations, and is compatible with all tech-style bindings

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Review Summary
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La Sportiva Stratos Evo Alpine Touring Boot

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Here's what others have to say...

5 5

Phenomenal boots.

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

Awesome performance both up and down Denali. Super light and great range of motion for skinning up, and then when I had to switch to crampons (I used an ultralight pair from CAMP, I believe the XLC 470s), they held those perfectly as well. With 40-Below overboots I was warm even in high wind, very cold conditions. I think it's important to size them so you can fit a liner sock and a heavy sock and still wiggle your toes if you plan to use for high alpine climbing. On descent I had a 60 pound pack and two feet of powder to grapple with and the boots were totally solid.

Responded on

Let's see some Denali pics David!

Unanswered Question

Has anyone used overboots with these? I'm...

Posted on

Has anyone used overboots with these? I'm thinking of the 40 Below overboots but worried they might be too big. Any advice would be greatly appreciated!!

5 5

Rediculously light, skis well

  • Familiarity: I've put it through the wringer

I mostly shared my thoughts in a comment below. I've been skinning and booting up with these boots for a while. I think the designers did a great job. I've found them to be comfortable, reasonably warm, absurdly light (like climbing with a trail running shoe) but also remarkably supportive in ski mode. They ski really well. When skinning up I've found that you don't need as high of a climbing bar - in walk mode these stratos evos articulate unlike any AT or tele boot I've ever owned. I think these boots are unbelievable.

Will a boot like this be too cold to do a...

Posted on

Will a boot like this be too cold to do a speed ascent of Denali in? (With overboots)

Responded on

I think you could get away with it if you don't end up hunkering down in a snow cave. Hit the weather window.

Responded on

Thanks Jim... I think I'll test them out for this in May...

Responded on

Just got a pair. Man are they comfy around the office...

Responded on

Hey Jim, thanks for your advice on this. Took them up Denali and they performed great. Took one day to 14 camp, and were a third the way to the summit a day later when we hit a snow storm that lasted five days. Unfortunately we didn't have the time to stay and get the summit. With overboots I was warm. Handled crampons and descending quite well... Thanks!

Isn't the Pierre Gignoux the lightest ?...

Posted on

Isn't the Pierre Gignoux the lightest ? (I have a pair :-))

Responded on

Yeah at 444g the PG are definitely lighter.

4 5

Light!

  • Familiarity: I've used it several times

It is a race boot. Light, fragile and very narrow last. No boulder hopping in this one. If you need a race boot and understand the limitations and fit options this can be a good choice. Dated now by comparison to the newest La Sporive Cube.

Responded on

Respectfully, some thoughts on Dane's comment above; I've been skinning and booting up with these for a while and I actually think they're pretty solid. Haven't done any boulder hopping but I think you might be fine doing some scrambling. Also, I tried on the cube before I bought the stratos evos and I definitely thought the evos were better (it seemed like they went too far trying to shave weight off with the Cube - a two piece liner for example). I think these boots are really well designed. One of the coolest pieces of gear I've ever owned.

What is the flex on these?

Posted on

What is the flex on these?

Responded on

120+ for sure. They are STIFF!

can you get these in gold leaf?

Posted on

can you get these in gold leaf?

Responded on

lighter than gold..think Helium on the feet

How do these perform in moguls?

Posted on

How do these perform in moguls?

Responded on

they are stiff..... it is nto a bump boot

I am size 10.5 US. Do they make a size for...

Posted on

I am size 10.5 US. Do they make a size for me?

Responded on

The 43.5 should fit you well. Sportiva items seem to run true to size. Plus, with the return policy, you really can't go wrong.

Responded on

hmm, a 43.5 mondo seems pretty big... 28.5 might be closer.

Responded on

It is also a very narrow low volume boot....