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Arc'teryx Gamma MX Hoody - Men's


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    66 Reviews


    Gamma MX Hoody

    Move freely in mixed weather conditions while you're wearing the Arc'teryx Gamma MX Hoody. Articulated arms and a trim fit keep this midweight layer close to the body without restricting movement whether you're alpine climbing or sliding up a skin track deep in the mountains. More versatile than your baselayer and more breathable than your storm shell, this jacket will be the one you live in the most, even if there's a little light precip falling from the dark clouds above.

    • A versatile softshell jacket for alpine sports in mixed conditions
    • Stretch face fabric defends against wind, rain, and abrasions
    • Fleece lining insulates for warmth, dries quickly, wicks moisture
    • DWR coating sheds light precipitation if you encounter weather
    • Gusseted underarm construction allows for full range of motion
    • e3D patterning brings an additional level of articulation to the fit
    • Long torso length offers additional rear coverage while active
    • Storm hood easily stretches over a ski or alpine climbing helmet
    • Item #ARC3414

    Tech Specs

    Fortius 2.0 (53% polyester, 27% nylon, 20% polyurethane), DWR coating
    Center Back Length
    adjustable, helmet-compatible
    2 zippered hand, 2 zippered chest, 1 zippered sleeve
    Claimed Weight
    [medium] 1lb 3.9oz
    Recommended Use
    backcountry skiing, hiking, sport climbing
    Manufacturer Warranty

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Great fit and classy look

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Large
    • Height: 6'1"
    • Weight: 150lbs

    I took this jacket out for a demo for a few weeks in late fall/ early winter, and it surely did the trick! It kept the wind from biting and the rain from dampening. The hood is a bit large if using it without a helmet but the zippers, pockets, and velcro are all impeccable.

    Love it.

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Height: 6'
    • Weight: 225lbs

    I had been watching this jacket for a while, and finally snagged it in sale. Now, having worn it for a while, I have to say that I would have paid full price for it. Fit is spot on - though not a lot of room for layering. The hood is awesome and would accommodate a helmet. The design and locations of the pockets is great. And the overall fit/feel makes me not want to take it off, which is okay since I’ve worn it from about 5 degrees up to 75 degrees. It’s so good I’m considering getting some Gamma pants.

    Great Fall/Spring Jacket!

    • Familiarity: I've used it once or twice and have initial impressions
    • Fit: True to size
    • Height: 5'11"
    • Weight: 185lbs

    I own a few Arc'teryx products and this one might be my favorite. For me this is the best all around jacket for Fall and Spring weather. I recently wore this to a night Soccer game, where it was pretty cold, and thing was perfect for the occasion. I had a thin soccer jersey as an "baselayer" and even with some wind I was still warm thanks to the shell like exterior.

    I really like the fit of this, seems to fit similar to my Atom LT as far as cut and shape goes. I'd highly recommend this jacket for anyone looking for your next all around go to jacket.

    The One Jacket To Rule Them All!!

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'11"
    • Weight: 151lbs

    This is not only the best climbing jacket I have used, but i can safely say it is the best all-around jacket on the market right now.

    While climbing in Idaho this fall my partner and I were hit with unpredictable low temps, wind. and rain and I was so grateful to have this jacket on my back not only on the wall but also around the morning fire! When the cloud cover moved in the low temps and wind would normally make climbing on the cold granite a nightmare, but in the act of climbing and belaying between pitches I felt protected from the wind/rain and was much warmer than I expected. The jacket has awesome compatibility with helmet and harness, and the flexible material of the softshell I never restricted my movement.. Best of all when it was cold in the morning and the wind was blowing unrelentingly I layered it over my down! (pictured below) Not only does it protect well it looks good too!

    I will be climbing in the MX all fall through rain and wind and snow, but I won't pack it away for the winter. This jacket is an amazing option for in and out of bounds skiing and snowboarding. With its protection from the elements, comfort, and warmth it is an amazing mid to outer layer option.

    If you are looking for one jacket that does it all each and every season of the year, that looks good and keeps you outside doing what you love. Then go with the Arc'teryx MX Gamma.

    The One Jacket To Rule Them All!!

    A phenomenal all-around jacket

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'9"
    • Weight: 180lbs

    This jacket was awesome. I love the Arc'teryx brand as a whole because their quality is so good. When looking at this jacket, I wondered if the pricepoint would be worth the quality that I got and the answer was absolutely yes. It can be really tricky to find a jacket that will do everything for you. I would definitely say this jacket fits the bill. It was heavy enough that I was able to wear it when the temperature got to freezing, I was still perfectly warm, and it was light enough that I could wear it at 60 degrees earlier that night and into the next morning without sweating to death.
    I have a fairly athletic build and this jacket fit me absolutely perfect. It looked better than any other jacket I've used in my life because of that. I did't feel like the fit was restricting for movement either which can sometimes happen when you get into those slimmer fits. The hood is great. I could have actually even worn it while biking in the very cold weather and it would have fit over my helmet. I could also wear this on a lighter skiing day without worry of getting too cold.

    If you're looking for a quality jacket you can wear every day with any outfit, this jacket will absolutely fit the ticket for you. And because it is such great quality, you can count on it lasting you through the ups and downs you might put it through.

    Awesome shell for snowboarding!

    • Familiarity: I've used it once or twice and have initial impressions
    • Fit: True to size

    This was a great jacket to take out on a ski weekend! Perfectly suited to layering underneath and great at keeping the elements and wind out! I loved all the convenient pockets and the chest pocket perfectly held a ski pass. Great quality from Arc'teryx as always!

    Arc'teryx at it again!

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'10"
    • Weight: 135lbs

    Arc'teryx makes quality products that perform incredibly well and this jacket is no exception! It's a great lightweight softshell perfect for taking touring! Its breathable enough so you're not going to be losing more sweat than you should be, but still wind and water resistant! Applause to you Arc'teryx!

    I got this in a medium because Arc'teryx's stuff tends to run small in the torso, but have longer sleeves. The medium still gave me some room to grow, so a small would have fit me perfectly.

    Style and Substance

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'9"
    • Weight: 160lbs

    One of the toastiest jackets I have had the pleasure of wearing, My friend Marie wore this for 2 winter weeks straight I'm fairly sure.
    An excellent softshell with killer style and thoughtful design. Pockets, lining, vents, and punching above its weight at 1.3 pounds. The fit is more athletic like all Arc'teryx gear so be aware of that.
    I'm giving it 4 stars for two reasons: $350 is quite an investment, even for a softshell as ingenious as this one. It's not quite warm enough for more frigid days and not quite breathable enough for serious activity. It can be dressed up or down of course!

    Comfortable and Breathable

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Large
    • Height: 5'7"
    • Weight: 180lbs

    I took this jacket out on a demo for a couple weeks and really liked having it. I'm not normally a softshell kind of guy in the winter, but this held up nicely. The internal material is nice and soft. The outer shell doesn't make a bunch of noise when walking around. I never did get to take this out touring or skiing in the resort, but with my initial impressions on the jacket, I would definitely use this skiing and would perform really well in a drier climate.
    Just know, like most skiing jackets, the arms are a little long. The jacket has a very athletic fit. Look at the chest dimensions on the sizing chart for sizing assistance.

    Took to Portland and it was perfect

    • Familiarity: I've used it once or twice and have initial impressions
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'8"
    • Weight: 155lbs

    I used this jacket on a trip i took to Portland for a wedding actually. Not your typical adventure but it was perfect nonetheless. I needed something that looked nice, kept me dry and warm. I loved having this jacket as i toured around rainy Portland. The hood was probably the best part! I have a pretty big beard and this hood covered my entire head, hat and fit my beard in it without squishing it or getting it caught in any zippers! The struggle is real. The water proofing was also incredible and kept me super dry as we walked though a few of Portland's amazing parks and hung out downtown. The only thing i didn't account for was the mesh lining in the pockets. When the pockets are opened, even with your hands in them, the air would get through very easily making it a little tough to stay warm. But that's my only complaint and I'm sure that feature would be amazing while hiking, touring or any other cardio activity where you body temperature fluctuates regularly.


    • Familiarity: I've used it several times
    • Fit: Runs small

    I love this coat, the fit is is a little snug for my liking. if your going out in the cold in this better have good base layering going on, it would be a great mid layer itself. It killed it in the wind and the rain for me. Very dry, and blocked out the wind great!

    the softshell every one needs

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: XL
    • Height: 6'2"
    • Weight: 215lbs

    You are abandoned on a rainy island and get to have one you go.
    The Gamma MX hoody is breathable, wind resistant, and warm with a slight fleece lining inside. MX stands for mixed weather so you can guarantee it will handle all the conditions. I will be honest, I am not a softshell guy but this is just too hard to pass up once you try it on. Highly durable, and abrasion resistant while also not being a straight jacket like you find alot of softshells to be. The stretch capability allows your to be at your most mobile form or just out on the town in comfort.

    *edit* - this has fleece lining in the hand pockets as well and they are very spacious along with the chest pockets making it the ultimate layering option that you can store things in.

    Best Mid Weight Shotshell

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'10"
    • Weight: 175lbs

    I've been beating on this for a number of years now. This is a go to for ski touring or warmer days at the resort and climbing. It also looks great around town. It works well with a light mid-layer and functions well itself as a mid-layer on variable days that turn cold.

    The patterning that Arc'teryx built into this is incredible. The shoulders are well cut for climbers and allow you to lift your arms without having your jacket pull way up to your mid-drift. Helmet compatibility is also top notch for both ski and climbing helmets. For a shoftshell jacket without Windstopper I'm always impressed by how much wind it keeps out and how well the fabric breathes.

    If you want top notch fit and fabric, you'll get it here.

    a little dispointed

      this one is made in vietnam, a little different from the one made in china, the not hoodied version i bought. the brand at the front chest is more shinny for the latter. their materials showed in the tag are different too.
      the collar is too wide to block strong wind, but the not hoodied one can.

      Go To Alpine Softshell Jacket

      • Familiarity: I've put it through the wringer
      • Fit: True to size
      • Size Bought: Medium
      • Height: 6'0"
      • Weight: 175lbs

      Gamma MX is critical piece in my alpine layering system. It's versatility is amazing as it accommodates a wide range of conditions. The hood, main zipper and vented pockets are all key to it's capability. With the hatches battened down, this jacket is as warm as a UL puffy. Fully open, it has excellent breath-ability. Of course, it can be fine tuned across that range.
      Fit is athletic. Easily accepts base layer and mid-weight insulation layer (eg R1) with full freedom of movement. My belay jacket and hardshell are sized to on top of it.
      After 4 seasons, it still looks great! The exterior fabric is very durable and has not started to show signs of wear.

      Perfect soft shell

      • Familiarity: I've used it several times
      • Fit: True to size
      • Size Bought: Xxl
      • Height: 6'2"
      • Weight: 280lbs

      Love this thing. Wear it all the time. The only downsides I have are the sleeves are a bit long and it marks easily, but the marks also go away easily.

      Worth the money

      • Familiarity: I've used it several times
      • Fit: True to size
      • Size Bought: XL
      • Height: 6'5"
      • Weight: 190lbs

      I was hesitant to buy such an expensive jacket. I had heard great things about Arc'teryx, but it took me a long time to convince myself to buy such an expensive jacket. I wish I wouldn't have waited so long. This is the jacket of my dreams. It breathes, protects, keeps you warm, and allows great maneuverability. Beware of it's athletic fit. For someone as tall as I am, it comes a little bit short, but still fits me better than mostly anything I wear.

      I use this jacket for touring, mountain biking, hiking, casual days, and just about anything that requires me to wear a jacket. I would recommend this to anyone.

      Unanswered Question

      When wearing this around town is the front long enough to cover an untucked shirt or will it be showing? Also is the cut big enough to fit a heavier weight fleece or even a hoodie underneath? I need a dual purpose jacket for spring/fall around town and snowshoeing and xcountry sking without sacrificing quality. Suggestions, keeping an athletic fit and quality in mind, i.e. not North Face's new garbage.

      I am looking for a soft-shell (alt. insulated mid-layer/shell like the Atom LT) to complement a hardshell jacket.

      I live in a cold climate, -10 – -25 C° is not unusual, add some wind to that, it gets pretty chilly sometimes. I am going to use it for backcountry ski touring and nordic style touring, but would like to be able to use it for spring and autumn tours as well (askin to much?).

      I am not sure if this model or the Gamma SL is to be preferred? As I understand this has the fleece liner and the LT does not.
      If I were to use a thicker fleece (or down sweater) as a mid-layer in the SL, would it be as wind-resistant as the MX? Could you use the SL with a thicker mid-layer such as a thicket fleece or down sweater in really cold weather? A Gore-Tex Pro Shell would always accompany me on winter tours. As I understand the Gamma SL has a bit better breathing ability compared with this model, which I find important.

      If you have any suggestions, I would appreciate it!

      -25C is quite cold. If you'll always have a Gore-Tex shell with you I'd consider either the Gamma MX to the Atom LT but probably not both. I have an Atom LT and love it, the side panels help with breathability. Since Nordic skiing backcountry touring are pretty high output, probably a base layer followed by one of the above will work well. I believe Atom LT will offer more wind 'resistance' than the Gamma MX. But of course you'll also have your hard shell. Hope this is of some help.

      Larger Person: 6'4", ~230 pounds, 38" waist, 18" neck, 36-37" arms - will XL be too small in this product?

      Am used to looser fit of snowboard-styled gear, am willing to deal with something a bit more "athletic-cut", but at my size, I don't want it to fit like compression wear. Larger riders/climbers/backcountry snowshoe/backcountry splitboarders weigh in, please.

      Also, I didn't see pit vents/zips mentioned, does this have them?

      Advice on XXL vs. XL?

      Hi Theodore,

      I'm 6'3" and 215lbs w/ a 34" waist (athletic build) and I wear the Large. I like my jackets fitted and the Large is almost too big for my taste (it's a little baggy around the stomach area), but when it comes to performance, this jacket is the best I've ever owned. I love the "no-lift gusseted underarms" which lets me climb without flashing my fellow climbers coming up behind me (crack kills). It performs great in rain / snow, and most importantly, it breaths well. The kangaroo pockets are vented and there's also vents on the chest pockets, but there's no pit vents.

      The one thing I don't like about this jacket is how tight the cuffs are. Getting the jacket off can be a chore.

      To specifically answer your question, if you want it fitted, I would go for the XL, if you want to add several layers and want it to be looser, go for the XXL.

      For people who is wearing this jacket over Atom LT, what size would you suggest? I have atom LT in small size. Should I get S or M gamma MX?

      So, I've read all the reviews & have a...

      So, I've read all the reviews & have a great feel for this jacket. I'm really wondering if the over-sized hood is really useful for everyday cold, rainy NW use or it's just handy when wearing a helmet. I love the idea of the hood, but if it doesn't fit well, then it's usefulness is a little tempered for casual use. Anyone out there wear this everyday & find hood fit ok for basic NW chilly, rainy days?? Thanks for any responses in advance, happy upcoming POW days!

      Best Answer

      First of all, as a NW guy myself I want to make sure you realize this is not a waterproof shell. You will get wet in a sustained down pour though it will protect you from light or intermitant rain. That being said, I love this jacket. I understand you concern about the hood. When you first throw it on sans-helmet you wonder if there has been some mistake. But several draw cords allow you to cinch it up to a nice snug and protecting fit. If you are just using this jacket for surviving the rough and tumble weather of the North-West I would recommend something with a normal hood, but if you will be wearing a climbing or biking helmet at least 20% of the time, then the oversized hood is perfectly manageable and worth the sacrifice.

      Amazing, thanks MD Hilverda! Just curious, what jackets do you think are best for everyday NW weather (normal hood)?? I'm gonna grab this one for biking exploits, etc...but you can never have too many jackets in the NW, right???

      Arcteryx softshell match-making time.. So,...

      Arcteryx softshell match-making time..

      So, I am looking at replacing several of my jackets and have heard good things about softshells. I havent had one for years after having a poor experience with a TNF softshell that didnt fit well many years ago..

      Uses: Im looking for it to be used all year around here in the PNW. I was a bit worried about rain resistance but heard softshells are actually quite well. I have an OR foray shell if needed for heavy downpours. In the major attraction point is breath-ability, I sweat like crazy. I usually wear shorts year round, as I did in MN where its actually winter when I grew up and hardly ever use my marmot ama dablam down jacket. Id be using it for casual, around town/to work, snowshoeing maybe downhill skiing in winter, and hiking and backpacking the rest of year..

      Size wise: Im hoping to maybe layer a small layer underneath, Im a out of shape 185, 5' 10'', with a stockyish build. I usually wear mediums in patagonia, but got a large atom LT half zip.

      Sorry for the book, mister librarian. Any help would be great. Oh and ive been looking at this one, vs the venta mx, and gamma lt. All hooded. Hoping to spend around $250 (and find it on sale obviously). Thanks!

      Best Answer


      Honestly, I have a Gamma MX and find it to be very cold unless I'm staying active, so from what you say plan on using it for, probably not going to cut it. The fit is athletic [snug], so plan for going up a size for anything but the thinnest layers under it. Not especially good at holding out "rain", but until the DWR coating wears off with use or washing (you can refurbish it) it does a good job of shedding moisture. Great jacket when used right!

      In Arcteryx, I would go for the hooded Venta SV if you want to stay warm, especially when just using it casually. I would go with the large.

      Hope this helps you out.

      Thanks for the advice, much appreciated! So I run really really warm usually, (I blame growing up in MN) and now having just moved to the PNW, have realized its temperate here, thats why Ive shied away from looking at the venta. I went to REI to try on some arcteryx softshells but unfortunately they arent in stock yet! I did try on the beta (or the alpha) and the medium seemed to fit well with my nanopuff vest on underneath. Also from what ive read the gamma should breathe better than the venta.. Should I look at the gamma lt?

      Go for the gamma lt. It has a good balance of breathability and windproofness. The venta sv, although it does have pitzips, is not very breathable. It has a windstopper membrane, so is slightly more breathable than a hard shell, but I overheat in mine enough to not wear it very much. Also, the thin fleece lining makes it less versatile-not enough for real cold (I'm in Canada) and too much for above freezing. The gamma is great for above freezing, and with the atom lt underneath is good in the snow. It fits a little snug though, so think about sizing up.

      I am 6'4" and 165 lbs. Should I go for the...

      I am 6'4" and 165 lbs. Should I go for the Large?

      What size would you guys recommend for...

      What size would you guys recommend for 5'10'' and 165lb?

      Best Answer

      I'm 5'10 and 165lb, and the medium fits really well. The arms and length are perfect although the torso is a touch voluminous. That being said on the Small, the arms and torso were too short while the volume was just right. For me, I'll take the mobility and perfect length over the perfect volume.

      Hi all, I have a question in regards to...

      Hi all, I have a question in regards to the sizing. Which size would you recommend for an athletic build 5'10", 185lb, 43" chest, 33" waist? I'm leaning towards a Medium but would a Large be better? I prefer a fitted jacket rather than a bulky one. Thanks for your help in advance. Cheers!

      Best Answer

      Large most likely, due to your chest and waist. I wear a mediaum (6' 145lb 39 chest and 30 waist) with a midlayer underneath the jacket fits perfectly, and on its own it is very comfortable withought being bulky or boxy looking.

      There shouldnt be much of a size difference between the hoody and non hooded version.

      Thanks for the response Ethan. I tried the medium on and it has a better overall fit than the large but the chest area was a little tight. This jacket will be my main one during the 3 seasons other than winter so I'll most likely only be wearing a t-shirt or a thin baselayer (arcteryx delta lt or patagonia capilene). Would you say this hoody version would be a bit bigger than the non hoody one? Thanks again!

      Just wanted to add that I got the hoody version in a size medium and it fits perfectly. I can wear a t-shirt, baselayer or a fleece sweater without any issues. Also the hoody version's fit is a bit bigger than the non hooded one. Thanks again for your suggestions! Cheers!

      I've got a question about the Cayenne...

      I've got a question about the Cayenne color. Does anyone know if the color up on the web page is accurate? It looks more orange than red to me. I ask because I know on my past Arc products the colors online have been really different from the actual color.

      I am wondering how well this Shell really...

      I am wondering how well this Shell really is. I will be climbing Mt. Fuji for the secound time but this time it will be next November. Will this shell be enough with proper layers or should I invest into something warmer? Temp at the summit can be around 10-20 Below 0 and around 50-60 at the base. please help

      You're going to need something more wind proof. You probably should bring some sort of hard shell, for example an Alpha SL stowed in your pack for when it gets cold and windy. Or any alpha, beta, or theta.

      If you don't sweat a great deal, a Windstopper soft shell might serve you well from top to bottom, with varying layers underneath.