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Description

An ultralight down mid-layer for weight-conscious backcountry purists.

Designed to replace the bulky fleece layer you’ve been toting around In your pack, the MontBell Men’s Ultralight Down Inner Jacket weights about the same as a T-shirt and packs up to the size of your water bottle. The jacket’s quilted design keeps the high-lofting 800-fill goose down in place, and the included stuff sack makes for easy packing.

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MontBell Ultralight Down Inner Jacket - Men's

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Here's what others have to say...

4 5

Fan-friggin'-tastic

First, this is a layering item. This should not be the outerlayer. Wear a softshell or rain jacket over it. That being said, this is an extrememly warm jacket for something that weights practically nothing, and fits into an included stuff sack. I highly recommend buying one if you can find it.

My only complaint, there is no latch, or special pocket for the stuff sack. And because the material is so slick, it can easily slide out of the pockets.

5 5

sleek and stylish

This is a great jacket. Smooth, soft fabric is ideal for casual and sports events alike. Can't wait for cold weather so I can enjoy it!

5 5

WOW!!!

What is there not to like about this inner jacket,super light,super packable,super comfortable.WOW!!!

5 5

Great Piece and Great Price!!

  • Gender: Male
  • Familiarity: I've put it through the wringer

I love this item and use it as both a zip shirt and as a light sweater-jacket inside and out doors when it starts to cool off. This is great for travel on those interstate flights when the plane cools off and stuffs compact. The down is warm and the light weight will fool you on just how warm this can be.

5 5

My favorite go to jacket

This jacket is both light and warm. I've used it on backpacking trips, around town and it's great to stuff in the backpack and use when belaying at the crag or ice climbs. Can't get any better.

Warm!

Warm!

Posted on

Yes, my headlamp is on. Yes, it's daytime. No, I don't know why.

Is the only difference between the UL Down...

Posted on

Is the only difference between the UL Down Inner Parka and the UL down Inner Jacket the hood on the Parka? Also, your website shows both to weigh 7.3 oz. Is this correct?

Best Answer Responded on

The weight on the Parka in size medium is 9.0 oz., the Jacket is 7.3 oz. (the BC sidebar on the Parka page is incorrect). The Parka has 2.5 oz. of down fill, the Jacket has 2.0 oz. The Parka also adds an adjustable drawcord hem, and of course the hood, which is insulated and adjustable. Compressed size (in the mont-bell stuff sack provided) goes from 4.3" x 7.3" in the Jacket to 4.3" x 7.7" with the Parka. If an insulated adjustable hood and an adjustable hem are something you want, and worth $25 and 1.7 oz. (.5 oz. of which is down fill) to you, go for the Parka. My good friend (and backpacking buddy) has the Jacket, and I have the Parka. You can't go wrong with either one of these pieces.

Mont-bell UL Down Inner Review

Posted on

I had been looking to replace my heavier synthetic liner that I had been using for part of my layering system in colder weather with something lighter and smaller. Oh, and down... so the Mont-bell UL Down Inner jacket is what I decided to go with, and this is why...

Responded on

Great video and review! Thank you for the info! Just a quick question, what size are you wearing on the cap 2 and the r1? I know you said the jacket is an XL and seemed to fit you perfect. Thanks for the info on the sleeve ends, by the way. I could not see that from the pictures.

5 5

very light,very warm

The MontBell Ultralight Down Inner Jacket is very light,warm and small. I like it ^^.

5 5

Just read everyone elses...

Light, Warm, Packs small. So, no negatives whatsoever. Buy it.
5'10, 190lbs. Size L fits right.

5 5

Light , warm, and comfy!

I live in Western Colorado where it can be cold, but dry. This is a perfect jacket for anything above zero for me. I have a short commute to work on my bike and it is perfect. It is so light, that it doesn't even feel like I have a coat on.
Can't wait to use it for a layer under a sturdy outer layer. Can't imagine how warm it will be.

Back of the mont-bell Ultralight Down Inner Jacket

Back of the mont-bell Ultralight Down Inner Jacket

Posted on

Overview shot of the back of the mont-bell Ultralight Down Inner Jacket in Olive Green/Charcoal Black.

Mont-bell Ultralight Down Inner Jacket

Mont-bell Ultralight Down Inner Jacket

Posted on

Overview shot of the mont-bell Ultralight Down Inner Jacket in Olive Green/Charcoal Black. The jacket in Men's Large weighed 7.3 ounces on a digital postal scale, including tags and stuff sack. Very impressive piece.

5 5

Bill K.

The MontBell Ultralight Down Inner Jacket - Men's is the same weight as a T shirt! When stuffed, it's 2/3rd of a quart. You don't know you are wearing anything but you're warm. It's brilliant.

5 5

Sizing on a tall skinny guy

I am 6' 4" with long arms and torso, 180 lbs. The Large, as opposed to XL, fits more athletically but is just long enough on the arms. By just long enough I mean that relaxed it covers my wrists, but when I stretch up, my forearms become moderately exposed. It also a little short on the waist especially with no hem drawcord. XL on the other hand, for skinny guys, is about an inch longer (farther down) on the waist and an inch longer on the arms, but significantly more baggy in the chest area, again with a drawcord this may be fixed (montbell inner parka has one) but is a little annoying for anything other than sitting around because its loose. Both however are warm especially including layering, and neither looks funny, it is more a matter of what the primary use will be.

5 5

Always Warm

I love this jacket. Weighs less than 8oz, packs small, blocks the wind, and keeps you warm in a variety of climates. I've used this during 20 degree mornings and stayed warm while packing up camp and cooking breakfast. Fits tight and is made for layering as the nylon can tear with heavy abuse. I layer it under a marmot mica jacket when backpacking long distances or wear it as an outer jacket around camp. It is incredible how well this jacket can block the wind. I prefer the down over the synthetic version.

Responded on

I was thinking of having the same combo, this jacket and the mica. Did you have to purchase the mica one size larger to go over the mont bell?

Responded on

It took awhile for me to see your question, sorry! I wish I would have bought the Mica 1 size larger. I have a large in both and it is definitely a little tight and restricts movement. If you plan to layer these together a lot, buy the mica a size larger.

Write your question here...I'm long waisted,...

Posted on

Write your question here...I'm long waisted, 6'2', and 35 in. sleeve, 180lbs. Is large the best size? Draw cord at waist? Length of item?Tx.

Responded on

i just posted something about sizing on tall people (im 6'4) on the reviews section if you're interested! But the gist of it is that L is a more athletic fit and just barely fits my arms and is short on the waist. The XL is better on both of those dimensions but a little too baggy on my chest because im skinny. hope this helps.

Best Answer Responded on

Jerry, I would say yes on the size Large. No drawcord waist on this one. The center back length is 26.6 inches on the medium, so maybe add an inch to that for the large. This is cut to be trim, just as the Ex Light is, so it's not going to come down as far as say, the Alpine Light will. it is designed more as a mid-layer insulation piece. Hope that helps.

Montbell UL down is about half the weight...

Posted on

Montbell UL down is about half the weight of its competitor's similar products (North Face Diez or Patagonia Down Sweater). Is it less insulated compared to those products? How about its warmth compared to them?

Best Answer Responded on

It is slightly less insulated as than the Patagonia, which has 3 oz. of 800 fill down on the inside, whereas this jacket has 2 oz. I believe the TNF Diez also has 2 oz. of 800 fill down on the inside, but it is slightly heavier because of the 20D shell material used - the Montbell uses 15D. If you're seriously into cutting weight, the Montbell Extremely Light Down Jacket has 1.9 oz of 900 fill down, the equivalent of about 2.1 oz of 800 fill and weighs about half that of an average cotton t-shirt. 2-3 oz of down is standard and how warm you are depends on if you're moving or not.

how does this jacket compare with the nano...

Posted on

how does this jacket compare with the nano puff from patagonia in terms of warmth retention?

Responded on

In about 40* weather, I actually think the Nano is slightly warmer. This might be due to the fact that the UL is through stitched while the nano is not, or at least not all the way through the liner. There was also a slight breeze blowing during my highly scientific test, which could also mean the wind proofing is superior on the nano. Side by side the jackets are very similar, they look to be equally puffy though when you feel the material the UL is loftier, which is expected since it is down. In the end I ended up going with the nano simply because I live in the Pacific NW and getting it wet is a distinct possibility.

Best Answer Responded on

Patagonia will tell you that their Down Sweater is significantly warmer than the Nano Puff, and in a recent test over at BPL, the Down Sweater only tested one degree warmer than both the UL Inner Down Jacket and the Ex Light, so it is a reasonable inference that both the mont-bell pieces are warmer than the Nano Puff.

5 5

Beats a fleece jacket

Love this UL jacket. Pro: It is warmer than a fleece jacket and my gosh it's light. Con: shiny, looks like a Mylar balloon.. don't know if that will tone down over time, or if it's the water-resistant treatment.

Responded on

It's shiny because it is calendared nylon; this process gives it a sheen. From the mont-bell website:

Made from 15-denier Ballistic nylon, Ballistic Airlight nylon is an ultra-light and ultra-thin fabric. Because of its tight, durable weave, Ballistic Airlight has high wind resistance performance and it feels silky soft.

Ballistic nylon is one and a half times more abrasion resistant than other similar weight fabrics and boasts three times the tear strength of nylons that are almost 20% heavier. Because of this, Ballistic nylons have allowed us to reduce the weight of many of our products by more than 50% without sacrificing the durability. We create Ballistic nylons by heating and stretching nylon fibers. Much like Tensiled steel, this process aligns the nylon molecules in each fiber, dramatically improving the strength and stamina of the fabric.

15-denier Ballistic Airlight Hollow Fiber Calendared Nylon:

15-denier Ballistic Airlight hollow fiber calendared nylon is used for some down products, this new nylon is an improvement over the 15-denier solid fiber. The calendaring process makes this fabric far more down proof than the previous nylon; imagine removing the ends from a tin soup can and then stepping on it, the can flattens and widens. When the nylon is woven and then calendared, the result is a fabric in which each individual fiber is “shingled” on top of each other, and far more resistant to down leakage. This fabric weighs only 1.1 oz per square meter. Despite its light weight, Ballistic Airlight is stronger than many fabrics that are twice as heavy.

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