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Skimo Co
SkyRun

La Sportiva Stratos Hybrid Boot

$1298.95

In Stock & Ships Today

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  Size Chart

Whether used for training, demanding traverses, or far-out ski mountaineering objectives, the Stratos Hybrid from La Sportiva is up for the task. Borrowing the cuff from the ultra-high-end Stratos VI, the Stratos Hybrid sports an easy-to-use ski/walk mechanism that allows for refreshingly quick transitions and increased reliability when compared to La Sportiva legacy systems. Bushings are used to connect the cuff with the lower shell that features La Sportiva's Anti-Wear system, helping provide a frictionless feel while ensuring your investment doesn't prematurely wear out. Unlike its higher-end sibling, the Stratos Hybrid uses a carbon-infused Grilamid lower specially made for La Sportiva, providing a durable and rigid platform that has a more palatable cost. S4 binding inserts are on hand to allow for seamless entry into Ski Trab bindings while the dual-density FriXion sole strategically combines harder and stickier rubber compounds for the best combination of grip and durability. Built for dedicated mountaineers and aspiring racers, the Stratos Hybrid from La Sportiva is made for those with lofty ambitions.

  • S4 binding insert allows for quick and easy entry into Ski Trab bindings.
  • Anti-wear bushings in the cuff provide a frictionless range of motion while resisting premature wear.
  • FriXion Wave Race outsole combines harder and softer rubber compounds to find the best combination of durability and grip.
  • Force Lite Closure System locks the foot down for precision while ascending and descending.
  • Ski/Walk mechanism allows for seamless transitions, saving you valuable seconds when the clock is ticking.
  • High-stretch waterproof gaiter is stretchy and resistant to abrasion.
  • Forward lean can be adjusted between 10°, 13.5°, 17°, and 19° allowing you to dial your stance to your preference.
  • Full crampon compatibility allows you to tackle races and objectives with confidence.
Specifications
Weight
convert to ounces
781g [27.5]
Weight (pair) 1562g [27.5]
Buckles   1 w/ Race throw latch
Boot Sole Length   276mm [25/25.5]
286mm [26/26.5]
296mm [27/27.5]
306mm [28/28.5]
316mm [29/29.5]
Binding Compatibility   Tech only
Cuff Rotation   85°
Forward Lean(s)   10°, 13.5°, 17°, 19°
Specs Verified Yes
Design
Materials   Grilamid Bio-Based LF Carbon Shell,
carbon fiber cuff
Liner   Ultralon stratos hybrid
Sole   FriXion Wave Race
Skimo Co Says
Usage Skimo racing, speed touring
Notes S4 inserts allow for speedy step-in with Ski Trab bindings
Bottom Line High-end boot at a reasonable price
Compare to other Race Boots

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Questions & Reviews

12/12/2024
Question from Joshua S
 
Is there supposed to be a small amount of play in the cuff pivot bushings?
12/13/2024
Answer from Carlos M
 
Hi Joshua,

I checked a pair from our stock that we just received, and there is a little bit of play in the cuff pivots. So, I would say it does appear to be normal for this model. Some of the carbon race boots have a little bit of pivot play - PGs, for example, and the Dynafit DNA, which is a pretty comparable boot.
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12/9/2024
Question from Vladimir
 
Hello,
actually I have Scarpas Aliens 1.1 at size 30. They fit too long and narrow for me.
I am thinking about Stratos Hybrid in size 29. Would they fit?
How do you compare sizing alien vs stratos hybrid?
12/9/2024
Answer from Emmett I
 
Hi Vladimir,

Fill out our boot fitter and we'll get back to you with some specific recommendations. In general, the Stratos Hybrid is a wider, more relaxed fit.
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10/21/2024
Question from Tim S
 
It appears that the La Sportivas have the widest last in these types of boots. I am looking for something with a wide toebox and am also dealing with a heel issue that needs a bit of space. Can we punch these?
10/21/2024
Answer from Jeff
 
Tim, They are a little bit wider, not wide. Still using Carbon infused Grilamid, can be punched but limited amount.
You can contact us at help@skimo.co for more help
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10/16/2024
Question from Shaun H
 
Do you have the sole lengths for this? Specifically, what is the sole length for 29.5?
10/17/2024
Answer from Jeff
 
Shaun, We do not have the boots in yet, and that info doesn't seem to be available. We will post it when they arrive.
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10/9/2024
Question from Anthony O
 
Is this a stiffer boot than the kilo? Don't need a race boot, just curious if the carbon makes this just a more responsive kilo, ie kilo pro, rather than stratos step down. Looking for performance comparison as well to f1 xt against both this and the kilo.
10/9/2024
Answer from jbo
 
Hi Anthony, while there is a touch more lateral stiffness, it's moving the other direction (uphill) overall. With a bikini liner, it feels like less of a boot but walks much better. It's comparable to the Alien 1.1 which is a race boot, noting some folks like myself put full liners into such boots which makes for an awesome hybrid.
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10/9/2024
Question from Dawes Wilson
 
It mentions the front tech insert is optimized for Ski Trab entry. What about other bindings?
10/9/2024
Answer from Carlos M
 
Hi Dawes,

No issue with other bindings! They just have a groove that is meant for stepping into Trab bindings without holding them open, which is a nice feature for the Trab lovers among us. They will work fine with any other tech binding too.
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10/9/2024
Question from Dawes Wilson
 
Last width and BSL for 26.0/26.5?
10/11/2024
Answer from Jeff
 
Hello Dawes, The boot isn't here yet, and the BSL aren't posted anywhere yet. We will add that to the site when the boots arrive.
The last for a 26.5 is 100.5mm
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10/2/2024
Question from Greg
 
Curious to know how these differ from the Raceborg 2? Seems like some product overlap there given the similar price points and specs.
10/2/2024
Answer from jbo
 
Hi Greg, the Stratos Hybrid is replacing the Raceborg 2 in La Sportiva's lineup. They decided to use the new lower from the Kilo for this quiver slot, retiring the Raceborg/Sytron shell for good. It has a different fit, but similar performance.
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9/19/2024
Question from Karl
 
How does the sizing work with these? Is the 29.5 shell a 29.0/29.5 or a 29.5/30.0?
9/19/2024
Answer from Jeff
 
Karl, This boot and the Kilo will be standard 26/26.5.
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Model: Stratos Hybrid

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