Skimo Co

Tecnica Zero G Peak Carbon Boot

$999.95 $949.95

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It’s said that “Necessity is the mother of invention.” While we don’t claim skiing a gazillion vertical feet to be a necessity, it certainly inspired innovation in the form of Tecnica Zero G Peak Carbon! This boot enters a small but increasingly prominent market of truly lightweight touring boots that punch above their weight class when pushed in downhill ski mode. It all starts with a carbon-grilamid lower and full carbon cuff. The cuff’s overlap design and doubled ski-walk mechanism together lend progressive stiffness when flexed forward. At the same time, walking cuff rotation remains as sparklingly smooth as one could hope for with a boot this streamlined. Two buckles and a power strap operate at strategic points on the instep and cuff to keep skiers snugged down where it matters. Underfoot, a Vibram sole makes short work of rocky scrambles or those unfortunate skimo races requiring a vertical kilometer of running before reaching snow. Is it a skimo boot for the masses or a touring boot for the carbon addicts? You can make up your mind but either way, you'll be happy with the Tecnica Zero G Peak Carbon on your feet.

  • Ski-walk mechanism incorporates a hinged lever as well as a straight shim to remove unwanted play in downhill mode.
  • Carbon-grilamid shell and full carbon-fiber cuff are music to the ears of fast and light skiers.
  • Two buckles with power strap adjust to your particular skiing style and foot shape.
  • C.A.S. liner flexes seamlessly and avoids unnecessary weight.
convert to ounces
1066g [27.5]
Weight (pair) 2132g [27.5]
Buckles   2 Buckles and powerstrap
Boot Sole Length   258mm [23.5]
268mm [24.5]
278mm [25.5]
288mm [26.5]
298mm [27.5]
308mm [28.5]
318mm [29.5]
328mm [30.5]
Binding Compatibility   Tech only
Cuff Rotation   75°
Forward Lean(s)   13°, 15° with spoiler installed
Specs Verified Yes
Materials   Co-injected carbon and grilamid, carbon cuff
Liner   C.A.S Light
Sole   Vibram
Skimo Co Says
Usage Light and fast ski mountaineering
Notes Double lock ski/walk mechanism like their beefier brothers
Bottom Line Tecnica setting the bar once again on what's possible in a touring boot
Compare to other Touring Boots

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Questions & Reviews

Allen T (used product regularly)
I hated these at first. I have a low volume ankle/heel and they were border line unskiable the first day, even cranked all the way down. Then I added an instep buckle (from a Hoji), and now I love them, best light boot I have ever skied, they are just so supportive and skiable.

FYI in addition to adding the instep, I also drilled out the lower rivet on the lower buckle. I swung it forward and riveted it there. That moved it out of the way of the instep buckle and also made it a little tighter.

Anyways, for the low volume foot folks thought you might enjoy the beta. It's too bad they didn't come from the factory with a third buckle. I just don't get the two buckle thing for anything other than race boots.
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Question from Ted
How do these compare in length to the MTN Summit? I tried those in size 30 and found them to be a half size small in all directions. According to this site, they are both 228mm BSL in size 30.
Width at the 5th toe and 5th met are my concerns after 1st toe length.

Also, to clarify, is the lower plastic here the same as the non-carbon version? (Asking for punching)

Lastly, how would the forward stiffness compare with the TLT X wide-edition, which is probably my best bet for a wide fit. I just worry about flex being 200 lbs.
Answer from Carlos M
Hi Ted,

We haven't noticed any difference in fitting the MTN Summit and the Peak for length, they both fit pretty normally for the same mondo size in our opinion. One of my coworkers who has the MTN Summit did note that he thinks the stock liner feels a little short.

They are also both boots with relatively generous toe box width as they come stock. In terms of making them wider, I would lean towards the Summit as you can heat mold the whole shell of that boot. The plastic on the Salomon is also a bit easier to work with.

The Tecnica Peak can be punched, but not very aggressively. It is a relatively fragile and stiff material. Yes, the lower shell is the same between the carbon and the regular Peak models.

Both the Salomon and the Peak are stiffer and more supportive than the TLT X. Between the two, the Salomon feels a bit more progressive and substantial than the Peak - but of course, it is also heavier. The TLT X is one of the softest-flexing touring boots we carry.
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Travis (used product regularly)
This boot has been great for a 'dad' skier like me. I came to it from the TLT8 Carbonio and appreciated the progressive flex--no brick wall here. For me they fit better than the TLT. In hindsight, I would have heat molded the liner to get a more resilient lock on the heel/achilles; the lack of a tongue means you have to get that right. Liner is thin, but well made. As it wears out I'm thinking of throwing an intuition in. Straps are fiddly compared to the TLT series, but the upgrade in performance is worth it to me. Haven't skied them with anything above 89 in the waste, but have had some mighty fun times hitting laps in all conditions worth skiing. Need to try them with more skis to see where the boot shines vs. the ski. A better skier than me could push them in poorer snow, but when it's good these boots make it better. Lay into them as you do your best metronome impression and admire your handiwork as the powder cloud settles.
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Question from Matt L
Has anyone been courageous enough to replace the upper buckle with a strap like the F1 LT or Fischer Travers to eliminate the fiddle factor of having to reposition the buckle wire in the ladder every transition? Or found a more simple fix like a compatible ladder with a guard or alterative method of resistance to keep the buckle wire from popping out in when going into walk mode?
Answer from jbo
Hi Matt, agreed that is annoying. One of us here replaced the catches with the Backland cuffs and it seems to work well.
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Question from Dave
Is there any way to mod the instep buckle to go tighter than the stock placement? I am finding that I still have wiggle room when I crank it on its smallest setting.
Answer from Carlos M
Hi Dave,

The easiest way would likely be to drill another hole in the plastic, remove the ladder, and re-rivet it further in so that you can get more tension. Of course, this is not an officially recommended method (I don't think there is one), and may not have positive implications for your warranty.
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Scott S (used product regularly)
I originally had the non carbon model but while trying to pull up on the instep buckle the plastic snapped. Contacted Tecnica and they warrantied the boots and i had new pair of the carbon version within five days. Very impressed with there customer service.

I can't say i notice much difference between the two models. If anything the non carbon (to be expected) is slightly less stiff which i think i would prefer for my weight of 155 and not being very aggressive skier these days.

The buckle system is a mess and could have been solved simply by spring loading the buckles and having the gates or something to keep them attached. I know this might have added a gram to the boot.

I eventually had to cut the gaiter so that i could in/out of them more easily, because they were so difficult.

Stock liners are junk just like any other stock liner but what could you expect for a $900 boot?? I just molded a pair of intuition pro tour (low volume) in them and there a re better but not as snug as i would have liked. I have very skiing shins and low volume foot. The medium volumes would not have fitted in the shells so that i why i went with the low volumes.
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ALEX CAVALIERI (used product regularly)
I was fit with these boots at skimo co shop last winter and absolutely love them. So light on the up and surprisingly solid on the down, for the weight its crazy. I have a pretty average shaped and width foot. I'm 5'11, 175 lbs and an expert skier. My daily winter touring skis are voile hypercharger 185's with ski trab titan bindings. Obviously your boot needs to be burly enough to drive your ski setup. I'm definitely no skimo racer, I don't track my stats, I'm just in it for the down. Maybe I'm just lazy, or I'd rather suffer less on the up, or just ski more in general but I really love these boots and have no problem driving my 185 in length, 108 under foot skis in them and skiing pretty hard on the down. Highly recommend!! My last boots were 2018 ish scarpa mastrale RS. They were much heavier so they handled a little better but these boots snug your foot better and handle almost as good! I'd say these are a pretty ideal all around touring boot, especially your goals include powder skiing and or large spring objectives. PS.. I looked at other comments and I'm not really sure what people are talking about with ease of use/ transitions or getting into the boots etc...? I have had zero problems with any of this and fit these pretty snug, sizing like an all day TC pro (climbing shoe) kinda fit. I mean.. they are ski boots. I hope this review helps someone.
Comment on this review:

Stephen C (used product regularly)
I have the non-carbon version of this boot. Overall I love it.

It skis really well, almost as well as my Zero G Tour Pros. (In most cases I prefer these, the Zero G Peaks, because they are quite a bit lighter.)

Walks well too.

The only things I don't like:
*sometimes it feels a little too stiff in the shins, though perhaps that increases its downhill prowess. I wouldn't use these if you want to jump off cliffs without risking serious shin-bang.
*The booster strap comes undone easily when not tightened all the way (generally in uphill mode). Considering just cutting it off since I'm not sure it contributes significantly to the downhill. I'd prefer a simple velcro strap. Small quibble though.

If it fits your feet, I highly recommend it. (FWIW my feet are pretty narrow with a high instep.)
Reply from Ryan S
Can you advise how these fit (instep height, length, toe box, etc) compared to your Zero G Tour Pros?
Reply from Stephen C
Instep feels higher, ZGTPs took some breaking in to get comfortable over the in step and were quite tight initially. These felt fine over the in step from the get go.

Length felt a little shorter, I had to punch out the toes on one boot.
Comment on this review:

Question from IAG
Can I get new “sub foot beds”. Probably has a real name. One of mine is falling apart. See pic. Thanks!
Answer from jbo
Hi, we have replacement Tecnica boot boards for the Zero G Pro Tours and Peaks.
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Brian O (downright abused product)
This review is for the non-carbon version.

This boot fit my feet and fit the bill for my project go fast and light on skis, where I could, from Mexico to Canada along the Continental Divide last winter.

I am 6', 166lbs, usually carried a 11-30lb pack. I skied skis from 171cm to 178 in length 76-90mm in width. I removed the power strap to save weight, but never felt like I didn't have enough boot to drive my skis. I skied lots of soft snow but also a fair amount of hard snow on steep slopes.

I like the durability of the boots. The soles still look pretty good. None of the buckles broke. The mechanisms held up to a lot of abuse. Snow had great difficulty to get into the boot when the gaiters were in good shape. With vapor barrier socks, I rarely had wet liners. After some 90 long days, the gaiters are worn out and snow can more easily get into the boot.

The stock liners worked fine. They are a bit worn now.

The boot board held up.

This boot's BSL is off. Be wary of getting a fixed mount for this boot.

This boot can be very very difficult to get into when the liner is wet or frozen, and the shell is cold.

Great boot, especially for the weight!
Comment on this review:

Jesse Thompson (used product regularly)
Bought and used these boots all last season on 90 waisted skis of various makes . fits true to size for me at 27.5. slightly wide fore foot, narrowish heel and medium instep. over all fit is really good with minimal issues outside of heat molding the liner. this boot skis great and does as mentioned punch above its weight class, the most impressive area for me was the stiffness in rolling my ankle and the ski over vs driving over the front. the edge to edge stiffness is really amazing. all that said i think the design of the boot (especially a t this price) really misses the mark in usability , the buckling system is a bit of a floppy mess and the transitions because of this seem really off the mark there just does not seem to be much thought on this point compared to some other boots . while the stiffness is impressive it does come with the downside of some added shin bang that i added extra padding to try and mitigate. ill keep skiing it because of fit but the buckle system really needs to be better.
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Question from steve
How do these ski compared to the TLT6 Black/orange (carbon)?
Answer from Zak M
Hey Steve, overall ROM is basically just as good and it's been noted that the downhill performance of the Peak Carbon compared to the TLT 6 with the tongue is even better. The Peak Carbon will also be lighter as well.
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Question from Forest
Curious about fit/sizing for these boots. I’ve heard that they run a bit short length wise, can anyone confirm or reject that? I’m a 25.5 in Lange and Dalbello, just trying to figure out if I should size up!
Answer from Gabriel I
Hi Forest, our experience is that they are a tad long if anything. They are higher volume than you'd expect from the listed last, a fairly high volume boot in general. I'd suggest you keep your same mondo size.
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Question from jake
Are the zero g peak carbons stiffer than the regular ones? I currently get away with 90 flex DH ski boots as an expert skier (I just havent upgraded yet) so they should be okay for me right? I also have quite a wide forefoot and I believe a pretty high instep as well. Are these boots good for that kind of foot?
Answer from Brett S
Thanks for reaching out, Jake. These are stiffer than the regular version and have a higher instep with a slightly wider forefoot relative to other boots in this category. For a more in-depth recommendation, please visit our online boot-finder!
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Mike Z (used product a few times)
I’ve skied these for four days now and had a look over the comments and figured I’d chime in.
Stiffness- I’ve skied in the Zero G about 160 days the past two seasons and this boot is easily stiffer in forward motion! Perhaps it’s that I ski them in a 24.5 and the cuff is not “ scaled” down??
Skiing- for something this light with limited adjustment ( two buckles)to get a tight fit overall they ski very well. Would I like my forefoot to be more locked down? Absolutely, but the cuff/ ankle area fits so tightly when buckled that if you adjust how you pressure and roll the ski they work really well.
Fit- I have a pretty low volume foot and getting in is a very interesting thing. Super tight to get into. You need to rotate the cuff fully back and even then the “ sock” liner is so tight it’s a struggle to get in. I have found that once I’m 1/2 in I grab the plastic across the arch area that the buckle is on and lift it and that helps clear some room. Once in just standing there they feel a bit too high a volume in the forefoot but I now kinda like it as the lower buckle does a nice job of shrugging the area above the arch. Btw I think the “ sock” is so tight as it serves to help hold you back in the heel pocket when buckles are loose. I did add a slight heel wedge which helps place me in the shell better and tighten my heel pocket, I think they also ski better that way. I am going to try a front spoiler also. I think this fits shorter ( just compare stock insole length if you don’t believe your feet) then the Zero G.
Motion- with the lower buckle on loosest fit , top buckle just on the retainer clip and the power strap loosened just a bit I find the range of motion to be really good forward and average to the rear. For rear movement the strap being looser really helps for me.
Gripes- not much. Would be nice to get into them easier, maybe I should have gone up a shell size and added more underfoot to take up volume? Yes the buckles flap. That is I’m sure a weight saving step to pull the springs. I’m ok with it. I’m pretty sure I will pull the bladder straps out of the bladder getting into them.
Warmth- haven’t skied them on a truly cold day but so far I’ve been surprised at the earth as the bladder is thickness similar to a alpine plug race boot which is an icebox!
Conclusion- light as f##k! Zero G skis better by a bit and the zero g feels normal. This feels like an insanely light boot that is stiff and as a result it feels different skiing as the fit is more tight places vs an overall grip on your foot.
Wish they where less of a struggle to get into and can’t wait to see if they improve that. Oh… the carbon cuff is dead sexy!
Reply from Michael Z
Late update- getting in is truly a deal breaker. I used these once on an overnight and fought forever to get them back on in the morning.
And… a big AND…
I broke the instep plastic “ strap”… it just snapped in two when buckling them down.
Super disappointed in these. Lots of promise. Loved the weight, thought they skied great but if I can’t trust them to stay usable then it’s a hard pass.
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Question from James75
Hey, is this boot ok for heavier skiers (195lbs plus backpack) or should I go with the Tecnica Zero G Tour Pro? I ski fast, but no major cliffs etc. And I need a lightweight boot for longer multi day touring trips. Many thanks for your help!
Answer from jbo
Hi James, the Tour Pro is stiffer and more supportive, but the Peak could do just fine for someone your size. What ski you are driving is also a big factor. Feel free to email us to get into the weeds on your setup.
Answer from M P
I am 6'1 190 and have been skiing this boot this year on some 177 Backlands 95. they seem to drive the ski well.
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Question from eric b
Anyone successfully get Intuition liners in these?

I use Intuition Godivas in my Zero G Tour Pro boots (yes, a liner designed for women—I like the ski performance of a wrap liner and the lower cuff height interferes less with rear flexion), but I have not been able to fit a wrap or Tour Pro tongue liner.

I just recently learned there are 3 versions of the Intuition Tour Pro — high, medium and low volume. Wonder if the LV would work.

Curious to hear what others have tried/experienced.
Answer from Jeff
Eric, I haven't tried to stuff one in there, could try. Light touring boots have thin, light touring liners. The Intuition Pro Tours and Wraps have very thick cuffs, which don't match the cuffs of light boots well. The plastic cuff doesn't close around them well. The High, Medium and Low Pro Tours is the thickness of the foot of the liner. And they would limit the cuff rotation and add weight.
Answer from eric b
Realized I never reported back on this.

FWIW, I did manage to fit an Intuition Tour Pro (standard/medium volume) (size 9 in a 26.5 shell). For me, it noticeably improved my fit and performance over the sock liner. Slight loss in ROM but nothing that affected me in any major way (including 5-mile lake crossings).

I used the stock liners for about 15 days and have been in the Peak Carbons for ~180-200 days since getting them early 2023.

Perhaps that will help someone.
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Question from Scott
I have been out on these now a couple times skiing at the resort and skinning. Is there any way to adjust the forward lean on these? For my skiing style I wish they were a tad bit more upright.

And for the parts and pieces of this boot my wish list includes, spring loaded buckles to prevent floppy buckles, micro adjustment on the front buckle to make these more usable and effective, some kind of zipper or something to be able to open up the shell gasket would make it more easy to take on and off and insert and remove the liners, and a more sturdy intuition liner. One of these days I will find my perfect boot!
Answer from Tristan M
Hi Scott,

If you have the spoiler installed, removing that will get you from 15 degrees of forward lean to 13 degrees. If you have questions on how to do this, feel free to reach out to!
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Ben (hasn't used product)
I heard the shop got these in yesterday and I rushed in to get my foot in them. I have not skied them but I am writing this review because there is very little real world feedback out there. These boots fit quite well with a snug heel pocket, roomy forefoot, and a nice lower buckle that comfortably secures the foot. I think they would ski very well with a tall cuff height and relatively progressive flex. The issue is, the rearward ROM is terrible for a lightweight boot. We tried different liners and it is an issue with the shell, not the liner. The ROM is still probably good enough for most, and I think a lot of people will love this boot. For me, its not worth it because I already own the Skorpius which is a bit heavier but walks noticeably better.
Reply from jbo
Hi Ben, I've been skiing these for a while (including this morning) and tend to agree about the rearward range of motion. Not quite as amenable to thrusting a ski forward on the skin track as some, but it's not especially limiting, especially steep skinning with plenty of forward range. They really do ski well if you have a decent fit (will be too voluminous in the forefoot for some). Caveat is you have to make sure you're actually in ski mode...haha, it's not always just a flip down and go.
Reply from Ben
These boots will encourage even steeper Wasatch skin tracks, it doesn't have to be this way!
Reply from James h
Hey, has the range of movement improved with the liner breaking in? I tried them in the shop and they do feel nice and like they'd ski well but I didn't feel like I'd want to hike hard/fast or run in them as they felt stiff in the movement.
Reply from jbo
Hi James, sadly they are still not a running shoe! Not a significant change after a couple dozen days.
Comment on this review:

Question from Peter Riley
does the 30.5 size fit similar to the other Technica boots e.g. Zero G? Would like to order this boot but am limited by my (very big) foot size. I wear 30.5 or 31 in Scarpa, BSL 330 mm.
Answer from Tristan M
Hi Peter,

The Zero G Peak fits pretty true to its listed mondo. If you would like help dialing in on the correct shell size, I would highly recommend filling out a boot fitter.

Keep in mind that Scarpa shell sizing is a half size offset from all other boot brands, with a few exceptions in skimo race and skimo race plus boots.
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Model: Zero G Peak Carbon MPN: 101V0100951

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