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  • Montane - Prism Insulated Jacket - Men's - Jelly Bean/Cadmium

Montane Prism Insulated Jacket - Men's

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    • Jelly Bean/Cadmium

    16 Reviews


    Who knew recycled materials could feel so good?

    Let the earth-friendly Montane Men’s Prism 2.0 Insulated Jacket warm your body and your eco-conscience. Its Primaloft Eco insulation consists of 50% recycled materials. Both windproof and water-resistant, the Prism provides durable protection without the bulk of other insulated jackets. An insulated hood—as well as an elasticized hem and cuffs—help keep the heat in and the cold out.
    • Item #MNT0012

    Tech Specs

    [shell] Pertex Microlight nylin ripstop, [lining] Peaq (polyester)
    PrimaLoft Eco
    2 front
    Claimed Weight
    14 oz
    Recommended Use
    hiking & camping
    Manufacturer Warranty
    2 years

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

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    Best all around everyday layer

    • Familiarity: I've put it through the wringer
    • Fit: Runs small
    • Size Bought: XL
    • Height: 6'1"
    • Weight: 185lbs

    This jacket has a forever place in my gear collection because of how versatile it is. Montane's jackets are all well thought out and are high quality. I also have some of their down jackets and all of their gear is well-thought-out for Mountaineering.

    my go to for 50-20 degrees

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: XL
    • Height: 6'1"
    • Weight: 210lbs

    This is my go to outerlayer for all the but the coldest days (I live in DC). It wards off water fairly well and dries super fast if it does get wet. It's not too heavy but it's warm, I'll wear it over a t shirt on cool days and over a layer when it's colder. I just wish it had an interior pocket. This is my second one, my first one lasted about 5 seasons but was dirty and had some melted spots from fires and my wife basically made me throw it out.

    Just short of amazing

    • Familiarity: I've put it through the wringer

    This is a really nice jacket that has just enough nagging little detail problems to prevent it from being an amazing jacket.

    The coat is lightweight for what you get but it could easily be lighter still, crazily the lining seems to be heavier than the shell.

    The hood rolls up nicely into a collar and it has a tab that you can use to keep it rolled up, but the tab is giant. Easily 10x bigger than it needs to be, big enough to be noticeable while wearing the coat.

    And the Euro zipper side (eg: like a women?s coat here) throws me every time, especially when coupled with the tiny zipper pull.

    As everyone else noted: where is the chest pocket?

    All that said, this is one super comfortable jacket that provides a lot of insulating for the weight, I?ve been in a couple of rains with it and stayed remarkably dry (and warm), the pockets it does have are sweet (big, warm and high enough to access with a pack on), it fits me really well (5?9? 155# in Med), packs down acceptably and has a fantastic hood (wire brim and moves with your head perfectly). Oh and the price? Totally nice.

    This coat comes with me almost every time I head out the door now.

    Fantastic jacket

      Great jacket and even better value. Agree with previous reviewers in wishing for an inside or chest pocket but fit is great and jacket is super light and quite warm. I got the steel color in a size small and although I like the color a lot, the picture makes it look more lack than it really is. Sleeves are perfect on me but I find that generally sleeves are too long on jackets anyway. I have a cloudveil insulated jacket that i bought years ago for twice the price and is not nearly as nice or functional. Bottom-line: terrific jacket that has a lot of features, fits nicely and will be a great year-round piece of clothing.

      Nice Jacket but small fit.

        I actually thought this was a great jacket, but the fit is small. I'm a good sized guy (6'1" 220 lbs) so I ordered an XL. The fit was really tight and constricting with only a t-shirt. If you have a slender frame it would be a great jacket, but I don't recommend it if you are a larger person. I ended up returning it.

        great insulation layer

          sizing is slim, other than that - i love this jacket! perfect amount of insulation for fall and early winter. used it under my Dry Q shell last weekend at brighton in 20 degree temps with blowing snow and i couldnt have been happier


            First my complaint - it weighs more than it should for the insulation that it provides. For 40g Primaloft eco throughout, the weight of 15.5 ounces (for medium size) is excessive. In comparison, the better insulated Patagonia Nano puff hoody (60g Primaloft One) is lighter.

            In exchange, you get a super-durable Pertex Microlight shell with many bells and whistles including a wired helmet-compatible hood with hood cinch and volume adjuster, and chin lining. The hand pockets are great. If you stick your hand in the pocket, the layer in front AND behind your hand is insulated with Primaloft. Most jackets don't do this!

            If it were 3 ounces lighter, I'd give it 5 stars. But it is a great versatile piece of insulation which ends up in my pack frequently.

            Montane makes great products. My favorite hardshell jacket is the Montane Super-Fly XT --- the best waterproof shell in the world! (until Polartec Neoshell comes out)


              First off, very good jacket. Warm, wind resistant, lightweight. Functionality is perfect for cool to cold activities, depending on exertion levels. A night hike to 12 or 14K, ending with the sunrise is a good place for this layer. Thin enough for under a shell. As a Belay jacket, order a size up or else you have a form fitting insulation piece and the hood won't fit a helmet. I wear a medium Patagonia Puff or DAS. The Prism would need to be a Large for me as a belay piece. I'm wearing it under things however and ordered a Medium, which fits very true at 5'11 170-175lbs.

              My experience with primaloft eco is that it kind goes with your body temp. It doesn't seem to get too hot (like when you come in from outside), but will be very warm between 35 and 50F and warmer when moving/working.

              Pockets are good, set hight for harness. I wish there were and inside pkt. The pockets are insulated too! (a layer of primaloft on both outside and inside next to body). Jacket packs small and neatly into self stash pocket. Ends up the size of a bible or so.

              Lastly color and cuffs. The orange on the interior is bright, not dull like the photo. The blue is also richer than the photo. I like the look in the photo better. It is more vintage and low key. If you like Auburn football, you'll love these colors, although the blue is not Navy. The blue is better than the orange. The photo added by backcountry is a much better depiction of color here.

              The cuffs should be adjustable IMO. The straight elastic is snug, but I don't always need it so close to the wrist.

              All said, great jacket for weight, warmth and will be durable I'm sure.


              So Far So Good

                It's always difficult determining the true appearance/color online and so I ordered both the Steel and the Morrocan Blue. Both very nice looking but am keeping the blue and returning the Steel because while I like gray, this jacket is dark enough that it could be mistaken for black, which I don't really want.

                It's a good basic insulated, mid-warmth, yet very lightweight jacket. I'm 6'1" & 175 lbs and the Large fits well. Nice proportions and the over-all cut/fit are conducive to activity/movement. I purchased it to wear under my shell for cold weather skiing but find it to be highly versatile by itself. I like the uniquely adjustable hood. The two pockets are fine but was kind of hoping for additional pocket/storage options but that's all there is. I guess there's something to be said for simplicity.

                Nice balance of light and warm

                  I'm new to the technical gear, but am amazed that something so light can offer such comfort and relative warmth. It's not for frigid temps by itself, but is a solid jacket, looks well-made, and offers a cozy feel in chilly conditions, even when spitting rain. Pockets do offer warmth, but it only has the two front ones. Fit is well-sized; I am 5 10 and 170, and got a medium, which fits without much extra room (including the sleeves), so it can fit underneath a shell. I'm very impressed.

                  Great jacket

                    The Prism 2.0 is going to be in my pack for every cool or cold season hike this year. The jacket is well made and warm for its weight and bulk. The fit is trim and the hood is well sized. The sleeves are adequately but not over insulated and of a normal length. It has been a perfect top layer for moderate to high activity levels in the gusty wind and near-freezing temperatures of late fall on Adirondack summits. With a hard shell on top, it should be good for peak-bagging on a typical Adirondack winter day of 10 degrees with blowing snow.

                    Where would I be without it?

                      Where haven't I been you mean! Up untill now I really had problems finding a light insulation piece that I could wear continuously in the fall/winter/spring without that whole stop/start regmerole. 40g Primaloft eco with a Pertex Micro outer is the perfect solution. I wear it climbing, hiking, working and I even wore it on a 1000 mile bike ride in the spring! Can't recommend it enough and in combination with the Flux as a belay jacket even better. Stuffs into its right hand pocket for a neat travel pillow. Sweet!

                      Solid Jacket

                        Never heard of the brand before, but pretty psyched I took a chance on it. Uses very nice materials, seems to be smartly constructed, and packs down very well. A great jacket for a cool spring or fall day or as an extra layer between laps in the backcountry. Great price for what you get!

                        Does the job

                          I bought this for a one night summit of Mt Shasta and a 4 day backcountry trip in Yosemite. I was looking for an insulating layer to through over my softshell, which I did on Shasta, and it worked well. I wore it as a stand alone in Yosemite, and it got the job done there too. Kept me warm, slipped on and off easy, and packed down small.

                          The one caveat I would add is that both of these trips were a little warm. I don't think it dropped below 25 on Shasta and barely broke freezing in Yosemite. This jacket might be a little light for serious cold.

                          Unanswered Question

                          Is this the new "2.0" version with additional...

                          Is this the new "2.0" version with additional improvements to the hood so it will fit over a helmet?

                          How is the fit? Is it like an Arc'teryx...

                          How is the fit? Is it like an Arc'teryx slim/athletic fit? Or more of a regular fit?

                          It fits real slim. I've returned mine. I wear a Large in most Arc, Pata, etc. brands and this one was tight. Another Montane jacket in Large fits perfect so I think this one is just a bit tight. The chest was ok, but the issue is with the sleeves. Their too short (for like a 32 length) and they aren't precurved (binding at movements).

                          I was wondering if it would be realistic...

                          I was wondering if it would be realistic to layer this under a hardshell for skiing. Would it fit comfortably? Or is too baggy?

                          That is exactly what I have done with mine and it works quite well. I'm a large in the PRISM and wear an XL Marmot shell and it works well. The PRISM jacket is low in bulk and I think should work under any shell that is meant to be layered.

                          I usually wear small, because that's what...

                          I usually wear small, because that's what usually fits my chest, but i find this size is almost always too tight around my hips. How does this jacket fit at the bottom?

                          I usually wear a large in this type jacket and with my Large PRISM I find it to be comfortable and just right in the hip region. The description above is a little misleading though as it says the hem and cuffs are elasticized. Actually the cuffs are fully encased elasticized but the hem is toggled so that it is fully adjustable, so I wouldn't worry about it being tight.

                          How do the sizes run? Large small?

                          How do the sizes run? Large small?

                          Best Answer

                          I am giving this long answer, because sizing can be such a difficult hurdle in ordering activity-specific gear online. Hope it helps those who read the reviews moving forward. I do own this jacket and wear a medium at roughly 5'11 170lbs. I do not use this as a belay jacket.

                          They run small - as a rule UK brands will fit a half-size to a full-size smaller than their US equivalent(s). For instance, in a Rab Shadow Hoody, a midlayer piece, I wear a large, which is unheard of for me. In a US brand, like patagonia, I would wear a medium for a comparable jacket. That Large fits perfectly (not tight and not for more than a small layer or two underneath) - the same goes for the length of the sleeves and torso. They fit well, nothing looks out of scale with my dimensions. So, for me: UK midlayer = size large.

                          Keep in mind that the Montane Prism 2.0 is a belay jacket - a packable, lightweight layer that stays in the pack and comes out when you need to stop climbing and will be standing in the elements without creating much heat. SO- this being UK sizing, but specific to belaying makes the fit larger than a jacket that may be intended for base or under-shell layering, like per-say a fleece or softshell. What that means is that if you wanted to wear this as a casual winter jacket or an under-the-shell layer for skiing etc. then you would want to order your normal US jacket or shirt size. Then you would have a close fitting, yet comfortable basic insulating jacket which forgoes the function of being able to throw it on over everything else when belaying. So for me: UK belay jacket used as stand-alone jacket = size medium. To clarify, If I were wanting to throw this over a shell/ mid-layer/base-layer; I would have ordered a large.