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A lightweight puffy that packs in its own pocket.

Perfect as an outer layer on mild days or as a mid-layer on extra-cold days, the Men's Mammut Foraker Hybrid Insulated Jacket weighs in at just over half a pound and packs into its own chest pocket so you'll always have space to bring it along. The Pertex Quantum shell provides water resistant protection while the compressible Ajungilak XTI insulation is designed to keep you warm and comfortable during stop-and-go activities. Whatever your winter activity, the athletic fit with elastic inserts ensure you'll have the necessary freedom of movement to get the job done.

  • Pertex Quantum shell fabric is exceptionally lightweight, compressible, and water-resistant
  • Ajungilak XTI synthetic insulation provides warmth on chilly days and transports heat and moisture away from your body during high-output activities
  • Athletic fit with stretch panels at the sides provides optimal freedom of movement and easy layering under a shell
  • The entire jacket is easily packed into its own chest pocket, ensuring you'll always have space to bring it along
  • Microfleece chin protector is extra-soft on sensitive skin
  • Thumb loops prevent the sleeves from riding up during high exertion activities

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Here's what others have to say...


Fits Very Small and funky smell

  • Familiarity:I returned this product before using it
  • Fit:Runs small
  • Height: 6'0"
    Weight: 230 lbs
    Size Purchased: XXL

Although I liked the jacket and it's ability to stretch and especially liked the thumb holes, the jacket fit very small. I ordered a XXL because of posts (would normally get XL) and the XXL fit like a Large. I almost kept it but finally decided my mid section layer shouldn't be so tight, even with the stretch. It felt very warm, maybe to warm for mid layer? but was thin enough that would have worked... reminded me of the North Face THermoball synthetic material. There was a funky smell when I opened it and wore it for 5 minutes that was very displeasing but perhaps a wash would remove that. Reminded me of something shipped in a shipping container from china and picked up a smell or the material just smelled funky.


Not an all around jacket

  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:Runs small
  • Height: 6'2"
    Weight: 190 lbs
    Size Purchased: XL

It is a nice jacket...It looks nice and, after sizing up (thank you fellow reviewers) it fits well. It is not, however, a go to jacket by any means. Definite layering piece for those hardcore mountain men and women..I give it 5 stars because it works very well for what I use it for...Just for work and around town. Side pockets for the hands keys etc. would be nice, but oh well...I still really like it.


Simple but useful

  • Familiarity:I've used it several times
  • Fit:True to size

The jacket fits well and can be packed into a pocket to save space. Due to being a down jacket, it does compress into the size of a small ball; this can take up a reasonable amopunt of space in a backpack.
I found it suitable for moderately cold temperatures and possibly other layers will have to be added in colder climates.

The fit was very comfortable and light, allowing a lot of freedom in movement while feeling like you have no real weight restrictions with the lightness of the jacket.

Overall, a well designed and suitable piece to my collection.


Straight up sucks

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

1. The jacket started to pill after a coupe of wears.

2. Not very warm

3. The major issue is the zippers. it is very weak and flimsy. It came apart during my ski trip.... i had it for a total of 3 weeks. in total, the quality just sucks

when using as a mid layer, what is a good, compatible jacket/shell to wear as an outer layer?

I also would like to know this.... February 2nd? You Gear Heads asleep?? Guess I'll go shop at REI

Anyone know how much insulation is in this...

Anyone know how much insulation is in this item? I am comparing to the arteryx atom lt jacket as they are designed similarly.

Best Answer

Just got word from Mammut in VT. Jacket has 60g of Insulation.


Used for Kayaking Trip.

  • Gender:Male
  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:Runs small

I ordered this special for a kayaking trip. It was a great jacket.

I was really bummed out because it was wayyyyyy too tight.

I got it the day before the trip and it did its job, but I returned it because there was no way it was going to be comfortable to keep wearing regularly.

I ordered a medium. I am 5'10'' at 165 lbs and I have never worn a large in my life. But it was still way too tight. I sometimes even wear smalls.

I wanted to exchange for a Large but it was sold out so i exchanged for the Rime.



  • Familiarity:I've used it several times
  • Fit:True to size

I really like this jacket, the way it feels, the fit is pretty accurate, I am 5'10" 140 and i went with M. I do wish it had more pockets. In addition within the first week the zipper already came apart, and it needed to be re-zipped and reset. I would give this jacket a 5 if not for the cheap design on the zipper. Lastly there is already some fraying from the inside on the material. Maybe I just got a lemon.


great for layering

  • Familiarity:I've put it through the wringer
  • Fit:Runs large

cold winter on the east coast. Wearing this piece constantly under a shell or even under other winter outerwear. longer, trimmer fit in the body and sleeves. Bonus points for looking good too.


Mammut...yes please

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

This is an amazing layering piece. I purchased this for a ski trip and it worked like a charm. In fact, almost too well. I ended up shedding a layer and just had a capilene 2 and this coat with my shell on over it.

It does run snug. I am 5'11" and 180lbs. I chose the medium because I wanted it to be more like compression than an everyday coat. Wore like this it does the trick. If you want this to be more of a versatile piece, I suggest to size up.

Another great feature is the weight and ability to store in its own pocket. This will be great for a couple winter hiking trips I have planned. I also find the thumb holes to be great for keeping everything in place and are flexible enough to not hurt over an entire day of skiing.

Get it before it's gone!


as good as I hoped

  • Familiarity:I've used it several times
  • Fit:True to size

just got this jacket for Christmas and so far it's been great. perfect jacket to wear during chilly morning commutes to work in Colorado. also used it shoveling several times during our latest snowstorm. 20 degrees and out and I was plenty warm in just a tshirt and the jacket. even snowed on me a bit and I know this jacket definitely isn't waterproof, the melted snow beaded right off of it and kept me dry for a good 30 minutes in heavy snow. probably best used as a baselayer or insulator for cold weather but also great on it's own.


Iffy at first

  • Gender:Male
  • Familiarity:I've used it several times

I am tweeking my cold weather/windy line up and this was a BC Rep recommendation. Color was throwing me, the size I needed according to the chart had me off balance, I rolled the dice because the return policy rocks and the Rep made a good case. Picked it up as a mid layer. No bulk to it and athletic fit. Looks good and is warm over my base and under my shell.

Just got back from night boarding with my family, 7 degrees, wind and a blast. Isn't it so much easier to have fun when your warm? Thank you BC Rep dude!