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SCARPA Alien 3.0 Boot

Model: Alien 3.0
Shipping: FREE*
Availability: In Stock & Ships Today
Price: $2998.95 $2549.11
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* Boot Size:
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A third Alien has landed! And this one is not cheap like the 1.0. That’s because SCARPA used 100% carbon fiber in both the upper and lower shell, shedding hundreds of grams in the process. The result is a skimo racing machine, built for serious competitors. And also folks like us who enjoy touring in carbon boots for the amazing walk mode and stiff downhills. In that respect this is the best carbon boot yet, since the integrated gaiter keeps out the snow when you’re breaking trail, obviating the need for gaiter accessories or fancy pants (admittedly we’ll still wear fancy pants).

SCARPA integrated the BOA system from other Alien boots, providing the most snug forefoot fit in category. They also kept the amazing Vibram UFO soles that have proven durable across so many miles of the Wasatch and beyond. Also notably, the Alien 3.0 is the first all-carbon boot to use Dynafit Quick Step inserts, speeding up those step-in transitions. This is the new boot to lust after or buy and enjoy.

  • Water-resistant gaiter is integrated into the shell to keep snow off your liner and toes.
  • UFO 3.0 sole offers 360° of traction with extra sensitivity in the toe for rock moves.
  • Race 2.0 liner from Intuition incorporates three different thermos-moldable foams.
  • BOA closure system fits snugly around your foot and stays locked all day long.
  • Carbon Cuff technology contours to your leg and has removable EVA foam calves.
  • Pebax® tongue protects the toe from impact, absorbs vibration, and keeps out snow.
  • A-Light ski/walk mode lever is a quick release system that integrates with the cuff.
  • Dyneema locking cord is finely adjustable for calf hold and forward flex resistance.
  • Metal hooks for the locking cord evenly distribute forces while being friction free.

* Please note sizes are Euro.

-> ounces
617g [43]
Weight (pair) 1234g [43]
Buckles Rope plus BOA, single throw latch
Boot Sole Length 292mm [43]
Binding Compatibility Tech only
Cuff Rotation 71°
Forward Lean(s) 14°, 18°
Specs Verified Yes
Materials Carbon shell and cuff, pebax tongue
Liner Intuition Race 3.0
Sole Vibram UFO 3.0
Skimo Co Says
Usage Racing and winning
Notes Dynafit Quick Step inserts
Bottom Line Top-of-the-podium racer, top-of-the-fun tourer
Question from Ryan
I've been really considering the Alien 3.0's and 1.0's as a new boot this season. As of now, I've only been in the La Sportiva Syborgs in a 25.5 and unfortunately haven't had the opportunity to try any of the Scarpas on but have heard great things. Is there any way to put the fit of the Aliens in comparison to the Syborgs? Current Syborgs fit really snug in the toe box but not unbearable, I like the performance fit and run all my other boots in a 25.5 as well. I also love that I don't have any heel lift in the Syborgs and that is something I am concerned about in the Scarpas.
Answer from Nate
Hi Ryan, it's an interesting comparison to make since the three boots are so different. I would say that the Alien 3.0 and the Syborg have the most similar fit of the three boots we are discussing.

The Alien 3.0 has a similar heel and volume over the instep, but widens out slightly at the toe box (like the Syborg). I just tried a Syborg on again for reference and I'm of the opinion that the fit is similar to my Alien 3.0.

The Alien 1.0 has a much narrower shape throughout the foot. If your toes are tight in width in the Syborg, you'll likely be even tighter in the Alien 1.0.

For the sake of discussion, I also tried on the La Sportiva Stratos Hi-Cube for comparison and got the opinion of Eric, one of the other bootfitters here. Both of us came to the same conclusion that if you are happy with the fit if the Syborg, that the Alien 3.0 is the most similar of the carbon boots in terms of fit.
Answer from Ryan L
Thanks for the quick reply on this. I measure out to 25.5 and have been in a 25.5 in the Syborg. Correct me if I'm wrong but I believe a 25.5 Syborg is a 26 shell 277 bsl. Without having the ability to try these on would I be best in a 40 or 41 Alien 3.0? If I size up to a 41 and find there to be too much room or find heel lift are there any solutions to this? Obviously concerned about dropping that much cash to find out it doesn't fit well or it fits well out of the box and then breaks in after a few sessions and then my feet are swimming in the boot.
Answer from Nate
Hi Ryan, my suggestion would be to go with the 41. The liner is thin enough that I don't think you'll be swimming in it after a few sessions if you have a snug fit out of the box.

If you receive it and find that the fit just isn't quite there, we can set up a return for you (provided it is kept in new condition and not skied.)
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