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Salomon MTN Lab Ski Boot


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    10 Reviews


    An AT boot that delivers on the descent.

    Salomon has long been a producer of solid, hard-charging alpine boots, while their AT offerings have been little more than slightly lighter versions of their alpine boots with a walk mode and lugged sole. And while the downhill performance of the Quest was solid, wearing them on a long tour would likely leave you at the back of the pack, sucking wind. Well, that's all changed with the MTN Lab Ski Boot, which totes a backcountry-specific design that will fly up the skintrack, tackle steep booters, and crush the descent like a proper pair of Salomons should.

    Designed with input from Salomon athletes, Chris Rubens and Greg Hill, the MTN Lab has the backbone to aggressively drive big skis down even bigger lines thanks to a stiff 120 flex, narrow 98 mm last, and a rigid carbon fiber spine. And while stiff AT boots are nothing new, what sets the MTN Lab apart is the boot's ability to flex progressively thanks to Salomon's Sensifit shell technology. These small ridges direct power to the lower shell for a progressive feel—combine that confidence-inspiring feel with the metal-on-metal Surelock ski/walk mode, secure heel pocket, and the 98mm last and you have a pair of boots that are not only fun, but will charge as hard as you want them to during the descent.

    The MTN Lab weighs just over three pounds per boot, making them competitive with most stiff AT boots you'll find on the market today. The boot saves weight through its high-end shell, which is composed of Pebax at the cuff, Grilamid+ along the lower shell, and a carbon fiber spine. What you won't find on any other boots, is the the waterproof textile panel, which not only shaves ounces from the boot, but allows for a comfortable and natural walking feel. Transitions are smooth with the MTN Lab thanks to an intuitive design that consists of a horizontally engaged walk mode, two lightweight buckles, and a single 50 mm hook and loop power strap. The Chevron Winter Contragrip sole is aggressively lugged to put the handle on narrow ridge line hikes and steep bootpacks. Inside you'll find Salomon's heat moldable My Custom Fit 3D liner, ensuring a comfortable and performance oriented fit.

    • 120 flex
    • 98mm last
    • Sensifit Shell technology
    • My Custom Fit 3D heat moldable liner
    • Motion Flex 47° cuff rotation
    • Surelock ski/walk mode
    • 24mm riveted oversized pivot
    • Carbon fiber spine
    • Item #SAL00L7

    Tech Specs

    Shell Material
    [cuff] Pebax, [shell] Grilamid+, [spine] carbon fiber
    Last Width
    98 mm
    Walk Mode
    yes, 47-degree rotation
    My Custom Fit 3D
    Thermo-moldable Liner
    Binding Compatibility
    alpine touring, tech
    Chevron Winter ContraGrip
    Claimed Weight
    (single, size 27.5) 3 lb 8 oz
    Recommended Use
    backcountry touring, freeride
    Manufacturer Warranty
    2 years

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Game Changer Boot!

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

    Went on my first ski tour with this boot and after my first upgrade in about a decade and was mind blown by all the features. The walk mode + ergonomic buckles are easy to travel in and they are fantastic for flat sections where you need to quickly change between downhill and walking modes. Even while breaking in the boot on my first trek up, it was comfortable on both feet ( I have slightly narrower feet than AVG.)

    I was riding on loaned out skis that were too big for me and I have to say that they were still easy to push uphill and skied fantastically on the way down thanks to these boots. The stiffness of the boot came in really big for controlling the skis through some tight spaced Aspen forest skiing. I didn't find the boots overly stiff, since I am used to the opposite. I would estimate on first impression that the stiffness value may be overrated in the 120 flex value?

    Will update upon additional field research!

    The moment I've been waiting for

    • Familiarity: I've used it several times

    I have tried and struggled with various AT boots throughout the past ten years. Some skied decent enough(although not nearly as well as my downhill boots), but felt like I had bricks on my feet while I was walking up. Others skinned like a dream in walk mode, but had the support of LL Bean Wicked Good slippers on the way down. Then others were light and efficient on the way up, but were overly stiff for my 160 pound frame while skiing down. There were a few instances where I thought I was going to bust my tib/fib on the way down before my boots would flex at all.

    That all changed last month when I purchased my MTN Labs. They certainly don't hold me back on the ups and it's stiff yet progressive flex lets me charge as much as I would like on the way down.

    This the first boot that I have ever described as intuitive. Switching from walk to ski mode couldn't be any easier. Just two buckles to close, a quick flick of the Surelock and tighten down the power strap and your ready to go. One of my favorite features of this boot is the ability to close the upper cuff buckle and switch the Surelock back into ski mode with one motion. I can finally switch modes as fast as my tele friends.

    Speaking of only having two buckles, I can not believe how secure they keep my feet. While most boot manufactures still rely on creating a boot with three or four buckles, Salomon has created this boot with only two well designed buckles. I have zero concerns with the durability of these buckles, I am sure they will last through years of use, which isn't something that I could say about some of the other AT boots I have tried.

    So far they have been very comfy on my feet with no boot work in this early season. I would certainly recommend these boots to anyone looking for a boot with efficiency on the ups while not sacrificing anything on the way back down.

    Comfort AND Perfomance

    • Familiarity: I've used it several times

    I fell in love with Salomon boots earlier this year when I picked up some x-pro 120's, and when the time came to pick up a touring boot, I knew I didn't have to look any further than the MTN Lab. This boot really nails it in all aspects- super light weight, huge range of motion, ultra customizable, and stiff enough to huck anything out of bounds. Though it is only a 98 last, which I generally consider narrow for myself, I've found that getting them heat molded allowed for a perfect fit keeping my feet all happy while seeking tasty lines. If you like the ascent as much as the descent, take a look at these boots- they rock!

    Hey hunter great review! Was wondering if you'd give some advice. I'm a firm intermediate skier. Maybe 20 resort days in Colorado. I'm currently on a hand me down alpine setup that was used when my friend got his hands on it. Boots are beat up and in fact at least a size or two, too big actually. Had my eye on xpro 120's until recently running across a great deal on the mtn labs. The 120's not having a walk mode and being a bit heavier are what made me look at the mtn labs. Eventually I'd like to start exploring the backcountry but that prob won't be for a while. Assuming I don't want to make two investments, which should I buy? Mtn labs too much boot for my skill level and current mostly resort skiing?
    Thanks hunter


    • Familiarity: I've used it several times

    Finally a AT that is the best of both worlds. It is light weight and walks/climbs amazing with a huge range of motion, yet skis like a normal alpine boot (high cuff, solid supportive feel)

    These run true to size, but are a 98 last so are on the narrower side.

    Amazing performance

    • Familiarity: I've put it through the wringer

    Skied about 20 days in these boots since I got them in November, and they are an excellent performing boot.

    Background: I am a big boy... 22 yrs old, 6'6 ft tall, ~220lbs depending on dinner the night before. I drive skis and boots hard, and ski very aggressively, both on-piste and in the backcountry. I have been using this boot primarily on a pair of DPS Wailer 112 RPC pure 3's mounted with Marker Kingpin 13s. I have also used these boots with a number of other skis and royal family bindings. I was torn between getting this boot, and the DYNAFIT VULCAN, but I ended up choosing this one due to an excellent deal. I have not yet skied the vulcan, but I am still very happy with my choice.

    Performance: These boots ski like money. My normal on-piste boot is a Salomon X-max 130, and these boots are very similar in flex -- only a hair softer. They also are slightly less consistent in the back end of the flex, as to be expected. But I can't imagine another tech-boot that has the downhill performance of this boot, save for maybe the dynafit vulcan (which I haven't tried). Even on my fatties mounted w/ tech bindings, I can rail the ski edge-to-edge like I'm in an alpine boot. Excellent performance.

    Comfort: This boot is very comfortable for me, but I can see the extremely narrow last and low volume being an issue for anyone with a wider foot. The narrow last was perfect for me, and I only get jammed toes when I crank the boot down as tight as possible. Again, the narrow last is a huge plus for me, but could be an issue for others. The stock liner is alright, and plenty warm, but I can see myself swapping it out for an intuition liner in the future. The rockered sole has excellent traction and shows no wear from scrambling around rocks at A-basin and in the wasatch. The range of motion is incredible, and (shhhhh) I can easily drive my car with these boots.

    Durability: This is the only place where I have had a small issue, however I hope Salomon can take care of me. Despite this boot being incredibly stiff and powerful, somehow it is constructed of the softest plastic that I have ever seen in a boot....after using these with the kingpins and some royal family alpine bindings, the plastic is already starting to strip and peel away around the contact points. It looks like these boots might only be able to handle a few seasons of alpine binding/kingpin heel usage before they need to be replaced. I imagine (hope) that Salomon would warranty these, however I haven't reached out yet. That said, the wear that I have seen so far is purely superficial, and has no effect on the boot's performance.

    Overall: I see this as a potential alternative to the Dynafit vulcan. Incredible downhill performance, and reasonable weight for a performance tech boot. Only issue is with the soft plastic wear in the toe and heel, which I will attempt to get in touch with salomon about.

    Cooked up in the lab.

    • Familiarity: I've put it through the wringer

    Been skiing these boots almost daily since November 22, 2015 and I gotta say they live up to the hype. Solid 120 flex and they drive my Line influence 115's with dynafit's like power steering. Something my old Atomic Waymaker's struggled miserably to do. I wear the boots almost every day for work on the mountain and so far they've proven themselves worthy. My days off are usually spent on board my 800cc summit in search of pow and I was worried that the top of the boot would get beat up by the foot wells on my sled but they haven't shown any signs of damage and in walk mode they are actually quite comfortable to sled in (for a ski boot). The soles grip well on rock, ice, and aluminum sled rails. Most of my touring is pretty short thanks to the snow-mo but the range of motion is quite good and my feet, ankles, and shins feel right at home on the up-track. I would definitely recommend these to anyone with narrowish feet. I didn't have to cook them and they required very little break in (I did shave down the arches a bit on the factory foot beds). They ain't cheap, but nice things rarely are. I would say that unless you are cut from 220lb spandex racer cloth these boots would be a "one and done" ski boot for in-bounds, side country, and waaaay back-country.

    Good quiver of one boot

    • Familiarity: I've used it several times

    I want to preface this review by stating that the only only boot I have skied with is an 8 year old 95 flex Salomon something-or-other that had run its course.

    I got this boot with the purpose of being my resort day boot and my touring boot. Some people say that you should have two boots, a touring boot and a burly alpine boot for in bounds days. I had neither the money or the will power to go through the boot buying process twice.

    I have skied with these boots for the past week and like them a ton! My foot size is 27.0 and I decided to go for the 26.5 over the 27.5. After a thermomold I feel reasonably comfortable during my time skiing if I unbuckle on the lifts. I think I do need to add some punches but am also expecting the liner to pack out a little and the comfort to increase a little.

    For the weight these boots are nutty responsive. However, they are a bit softer than I expected a 120 flex boot to be. Again, I am not the most qualified person when it comes to new boot standards but I was legitamately surprised. That being said they have a great progressive flex that feels very similar to my full alpine boot that I was using just a good deal stiffer.

    I did have a few quality issues with my boot but neither of which were serious enough to even think about warrantying them. I used these with some Salomon Guardians and after the FIRST day of riding the rubber on the heal showed that it was ripping. The shop said that this happens to a lot of beefy touring soles but I feel like that this should have been addressed in the design because it was expected that this boot be used in ISO 9523 bindings with traditional heel pieces. I also had a metal rivet digging into the shell cuff which would have, given enough time, bored a good hole in the cuff. Both were easy fixes, shoeglue and some duck tape fixed both problems.

    I think this is an excellent boot for someone who wants only one boot and does an equal amount of inbounds skiing and touring.

    A whole new world

    • Familiarity: I've put it through the wringer

    This boot was a game changer for me. I didn't need to use a heavy alpine boot to get the performance I was looking for, and therefore I could hike quickly and do fullday tours without needing to be in great shape... Once I baked the liner the fit was great for my foot, which is average to slightly narrow I'd say.


    As an athlete for SALOMON going on 8 years now I have had the opportunity to help develop, trouble shoot, tinker and design some of the product before they hit the market. Our goal with the MTN Lab Boot was to enter the alpine touring community with a banger. A boot that crushed just as hard going up hill as it does going down. A goal most all companies claim to strive for but as we all know always fall short.

    This, I promise, is the first AT boot rated at 120 flex and actually performs at 120 flex. It is light like traditional AT boots with minimal plastic and a carbon spine but strong thanks to the raised grid pattern you'll notice on the side of the boot.

    With one buckle on the upper cuff, the booster strap plays a key role in the performance of the boot. Make sure to strap that sucker down before dropping in. You wouldn't ski with your buckles open, your strap is no different. Not to mention, these boots have a sole so grippy you can run up walls!

    I took out a pair of prototype MTN Lab boots on a recent trip to the French Alps. Look for me, the guy in a blue coat, hiking, jumping, slashing and bashing my way through a winter wonderland!

    (the prototypes were black but essentially the same boot)

    Just the fit

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

    This initial review is just about the fit, in case some are wondering. Its really hard to get an idea of how a boot will fit your foot without trying them on first, and I always recommend that, but sometimes its just not possible.

    The MTN Lab fits almost exactly like other Salomon, 98mm last boots. Specifically the Salomon Ghost, but also very similar to the X max series. If those boots work well for your foot shape, in theory these should work. "SHOULD" the being key word, it may not be a perfect scenario like it was for me. I have skied in ghosts for years, and also skied my fathers x max from time to time, and I think the fit is very similar between those two and the MTN Lab.

    Higher instep volume than you'll find on some other narrow boots, but with a tighter toebox. Also similar to Lange LV 97mm, Rossignol 130 LV or K2 Pinnacle LV.. but not as much of an apples to apples comparison as the MTN Lab and Ghost or X Max.

    I will update with a full review after I ski them.

    Go Up - To CRUSH down.

    • Familiarity: I've put it through the wringer

    Salomon has thrown their hat in the AT ring, and has come out swinging. The MTN Lab is the BOOT for those converts to the glory and sweet sweet of the backcountry alpine touring world.

    A lot of people seem to believe that there aren't AT boots out there that can shred like the traditional alpine boot. The MTN Lab has come to change this mentality. This boot with it's carbon spine and grilamid/pebax contruction gives you all the stiff flex you would need to rip lines.

    This stiffness coupled with the 47 degree cuff range of motion allow you to charge up the hill, sans blisters and foot pain, lock em in and charge down.

    This isn't going to float off the scale in terms of weight. Its a bit burlier than other "AT" boots but it really shouldn't be compared to any semi-rando-race boots who are shedding the ounces.

    This boot, as mentioned, is meant for the skier who has shredded their ski pass - 800 to 1000 bucks more rich in the bank - and wants to harvest all the glory gems of their local backcountry.

    Ride into the MTN's, they are calling.

    I've been skiing in the quest max 120's in a 25.5 for a while. How does the fit compare with the mtn lab in terms of length and last?

    What crampons would fit/work well with these boots?

    Are these compatible with Saloman 2014-15 bindings?