Marmot Ama Dablam Down Jacket - 800 Fill Power (For Men)

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About Marmot Ama Dablam Down Jacket - 800 Fill Power (For Men)

Closeouts. Named for a prominent Himalayan peak near Mount Everest, Marmot's Ama Dablam down jacket provides ultralight warmth in an expedition-ready jacket that packs up small.

Specs about Marmot Ama Dablam Down Jacket - 800 Fill Power (For Men)

  • Closure: YKK®,Zipper
  • Zipper: Right
  • Length: 32" (based on size xlarge)
  • Fabric: 100% polyester
  • Lining: 100% polyester
  • Insulation: At least 90% goose down, remainder feathers
  • Fill power: 800
  • Care: Machine wash/dry
  • Total weight: 1 lb. 6 oz.
  • Made in China
  • Visit our Down vs. Synthetic Guide
  • Cannot ship to Australia
  • Cannot ship to New Zealand

Marmot Men's Size Chart

Chest 33 - 35 36 - 38 39 - 41 42 - 44 45 - 47 48 - 50 51 - 53
Neck 13.5 - 14 14.5 - 15 15.5 - 16 16.5 - 17 17.5 - 18 18.5 - 19 19.5 - 20
Sleeve 30 - 31 32 - 33 34 - 35 35 - 36 36 - 37 37 - 38 37 - 38
Waist 26 - 28 28 - 30 31 - 33 34 - 36 37 - 39 40 - 43 44 - 46
Hip 36 - 38 38 - 40 40 - 42 43 - 45 46 - 48 49 - 51 52 - 54

Note: Measurements in inches.

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4.480000 5 Overall Rating: 4.5 Based on 100 reviews

Most Helpful 5-Star Review

Verified Buyer Reviewed by Jessica from CA on Monday, December 28, 2015
It has a good look and it's very warm!
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  • Reviewed by mudbug from Wisconsin on Saturday, May 28, 2016
    I am 200 pounds and about 6 tall, the XL fit me with enough room for a mid layer (like a heavy sweater). It is very light, made with very light nylon, and has zippered pockets and an adjustable hood, however not much loft. I winter camp in Northern WI and boundary waters, and own a number of down jackets made by marmot. The jacket would be ok in winter, but not for extreme cold, unless used in as a layer and covered with a shell.
  • Verified Buyer Reviewed by Stephen from Ohio on Tuesday, May 3, 2016
    This jacket alone keeps me warm in milder winter weather (~30F) and is roomy enough to serve as a top layer for colder weather. I got the blue, and it is definitely a lighter and a bit more feminine color than it appeared online, but it still looks really good.
  • Verified Buyer Reviewed by Cop from Atlanta on Tuesday, April 26, 2016
    Always have seen this jacket but for what ever reason I thought it was low tech, old fashioned, and not stylish. I finally tried it out and instantly loved it. First the slate color looks awesome. Its actually very stylish too. There is a lot of fill in the arms and torso so I'm sure this jacket will be very warm. The quality seems outstanding. The fit leaves just enough room to make this a perfect overcoat for extreme alpine weather but not too loose you couldn't wear it as a primary outer layer. This seems to be the standard in winter jackets. For this price it may be the most sastisfying buy ever.
  • Verified Buyer Reviewed by Jim from Vernon Hills from Illinois on Monday, April 25, 2016
    This is my second 800Fill jacket purchased from Sierra. Loved the first one and like this one as well. The hood is what I needed to be added, so selected this one. Only down side is that it is now water proofed, so will add that coating soon. Otherwise, very light, seems relatively warm, but as per other reviews, not a super warm winter type jacket. Great for fall or travel use, which is what I was looking for.
  • Reviewed by Mike from DE on Wednesday, April 20, 2016
    It's a very comfort light weight jacket with good compressibility. Unfortunately, I can write nothing about the warming ability because a good weather is outside. But when I tested the jacket at home then was hot.

Questions about this product? Get answers from community and staff experts.

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  • Question “Hello, I'm 6' 2" 230 lbs ... Will the size xl fit me?”

    Asked on 12/8/2015 3:57:57 PM by ab from New Jersey
    • Answer This is typical Marmot fit: larger in the chest and shoulders, and normal in the waist. In most Marmot coats, I need a Medium (38 chest, 32 waist), but in this one, a small fits. Even with the small, the shoulders and arms are big and floppy. You might try a small, particularly if you like a snug fit.
      Answered on 5/23/2015 5:19:55 PM by Dan the Walker from Kansas City
    • Answer Jacket Runs Big But it does have a Draw String to tighten up Waist
      Answered on 5/23/2015 6:39:24 PM by Ralph from ValleyStream
    • Answer I would say this is more of a roomy cut. If you like a slim athletic cut, I would check some other styles.
      Answered on 5/23/2015 6:55:36 PM by the Hiking Pawn man from Missouri
    • Answer I have a large. However, there are elastisized cords at the waist and velcro tightening straps around the wrist. The hood is connected to the jacket and cannot be rolled up perse. I found that I could lay the hood on the inside of the jacket if I needed to. The hood has elastisized cords to adjust the face and hood fit in all directions.

      I don't think you will want to layer much beneath this jacket. Polypro underwear to wick the moisture away from the body and adds additional insulation. (Which may not be needed) An outer shell, preferably gortex, to make this garment water and wind proof. The skin of the jacket does a very good job in keeping the down in, and it is more highly repellent to water than those of the past. This skin is very light and allows the 800 Fill Down to remain expanded, better insulation. As far as "slender" or "large belly" persons. You are more in the middle if I had to guess. You do have adjustability for closing off any drafts. Two outside zip pockets and one large inside zip pocket.

      I have been a Habidasher and speak from experience from clothing "Jocks" properly. It is not often easy with such a build. I also have made my living in the outdoors for over 35 years. There is a very good reason I use Marmot clothing and gear. I have a Marmot Goretex outer shell that does not crush the down. I have two Marmot Sleeping Bags, and the best tent Marmot ever designed, the "Swallow". I do not work for, nor am I paid to give my professional advice.
      Answered on 5/23/2015 9:55:57 PM by None from Northern NM and Southern CO. Rockies
    • Answer I normally wear a large Marmot jacket, but a reviewer suggested the jacket was quite roomy so I ordered a medium and happy I did. I have a 44 inch chest and not so narrow 36 inch waist with athletic build. The jacket fits snug but comfortable and very warm.
      Answered on 5/24/2015 4:24:07 AM by Traverse City Tom from Traverse City, MI
    • Answer I consider this jacket to be better for a slender build. I'm 6' 2", 215 lbs, with a 34" waist and 44" chest, and found that the large size fit best (I originally bought the XL and had to return it, because it seemed huge). The large size still allows me to wear a base layer and light weight fleece underneath, but nothing more, and that's fine because I like the snug fit, seems to hold in the warmth better, which it does very well. It sounds like a medium would work with your body type, however you may find it snug in the chest area like I did, but for me this snugness wasn't constricting.
      Answered on 5/24/2015 11:27:15 AM by M. Scott from Chicago
    • Answer I just put this coat through it's first winter in Michigan, and it was better than what I had hoped for. The 800 fill insulation kept me warm in single digit weather with only a base layer and long sleeve shirt under it. It's lightweight, extremely packable ( packs into its own pocket), and can cinch tight at the waist for windy days. Overall, a great coat. The 800 fill simply means it has a very high warmth to weight. You get a ton of warmth from a light, packable, jacket.
      Answered on 3/11/2015 11:18:35 PM by Daru Kinzer from Michigan
    • Answer I Have a 4 Marmot Jackets this Is the Highest 800 and the Warmest of all My Downs and it's really Warm
      Answered on 3/12/2015 1:12:49 AM by Ralph from Valley stream NY
    • Answer I Have a 4 Marmot Jackets this Is the Highest 800 and the Warmest of all My Downs and it's really Warm
      Answered on 3/12/2015 1:12:50 AM by Ralph from Valley stream NY
    • Answer ???????????????? ??10??????
      Answered on 3/12/2015 2:43:46 AM by Hiker from Harbin
    • Answer I bought mine this winter for use when it gets cold here in Minnesota. I only wore it when the temps were at or below 5 degrees (F); it was too warm for other temps. Keep in mind that I tend to run pretty warm and primarily used it for commuting. But there were days when I walked for 10-15 minutes at temps of down to -10, and I was very comfortable, with nothing below it other than a dress shirt and t-shirt. Hope that helps!
      Answered on 3/12/2015 4:56:16 AM by Middle-Age Guy from Minnesota
    • Answer The higher the loft, the more insulting. Very warm and comfortable. Get a MARMOT Gortex jacket to make it waterproof and windproof. It fits with mine perfectly. Look for a shell that has pit-zips. The down jacket is warm enough that you may want to have some form of regulating that before sweating. Based on age and physical activity.I have been out in ZERO F. and my core was getting a bit warm. I was walking. The tight weave tends to restrict the wind a bit, but you should have a Gortex shell. Wind and water proof, breathable, with pit zips and hood. When it is just wet and not that cold, the shell will guard you from the weather conditions, wet and windy. Stay away from cottons in the winter. Layer with polypropylene, fleece. merino wool. These all wick moisture and dry incredible fast. You can overheat and sweat moisture into the down. Keep a constant mind on your body. Remove what you need to remove and stay comfortably dry. It sometimes can be best to take the down off. This jacket is weightless and can fold into a small pkg. I am a major outdoors person and must depend on my gear performance. Marmot is at the top for quality outdoor gear.
      Answered on 3/12/2015 6:17:54 AM by None from New Mexico
    • Answer David,

      I live in Traverse City Michigan, located in the north west lower peninsula, so I know what cold and snow is like.

      I can assure you that, if the fit is correct (not to loose), your son will be very happy with the coat. I particularly like the attached hood which fits very well.

      The Ama Dablam jacket is my second Marmot down. My first Marmot down jacket does not have a hood and I prefer the hooded version when the weather is really cold.

      You are correct in thinking the jacket appears too light weight to be so warm, but looks are deceiving.


      Tom DeGrow
      Traverse City, MI
      Answered on 3/12/2015 6:24:12 AM by Traverse City Tom from Traverse City MI
    • Answer Its pretty warm. I was wearing it on top of the short-sleeve T-shirt at 25-28F and did not feel any cold. We did not have lower temps in Atlanta :-)
      I would trust this jacket to be ok up to single digits but with layering underneath. - Alex
      Answered on 3/12/2015 6:27:14 AM by Alex from Atlanta, GA
    • Answer I am in Michigan and this is a very warm down jacket. I wore it down into the teens with just a t shirt. If layered it can easily go below zero. It is certainly not waterproof; but no down coat is. It is just as warm as 550/or 650 fill down jackets that are twice as thick because of the very high warmth to weight ratio of 800 fill down. You could get a windproof waterproof North face down jacket that is warmer but it will also be much heavier and only good for really cold days, sweaty on any days above freezing.. This jacket can be used from 55 degrees all the way down to as cold as it gets in IL. I think it is a good choice for your son. I don't believe there is metric but the higher fill count down insulates in an amazing way.
      Answered on 3/12/2015 6:51:15 AM by Kurt from Michigan
    • Answer David,
      I also purchased this coat for my son who goes to U of Minnesota. He takes the bus in the morning and (long) walks outside to get to classes. I got it for him a few weeks ago but he was able to use it on a few subzero days and he was very happy with it. Of course, he does wear a hoodie under the coat. He kept saying the coat was so light and warm. One time we were out shoveling snow and the wind gust must be about 30 miles per hour and he said he did not feel the effect of the wind at all. I will purchase another one for my younger son. I hope this help.

      Answered on 3/12/2015 6:54:50 AM by H from Minnesota
    • Answer An Indiana winter is very similar. I found it warm enough this winter. It also depends upon what you wear with it. When we had days with single digit highs this winter I would wear a warm hat, scarf, undershirt and shirt or sweater in order to keep warm. The jacket is very lightweight but I found it warm. If I had a job where I stood outside for hours it might not be enough but for walking around campus (I work on one) or hiking it is fine. I also have a Columbia hooded coat with a zip out fleece liner and the down jacket is much warmer.
      Answered on 3/12/2015 7:06:39 AM by Jim from Bloomington, IN
    • Answer I think it's best to think about this as a "mid-weight" down jacket. It is considerably warmer than the new breed of "small baffle" jackets like the Mountain Hardwear Ghost Whisperer, but not as warm as a really big puffy jacket. With a shirt and sweater (nothing technical), my Ama Dablam gets me down to around 20 degrees in comfort. Below that, I layer it with a thin insulated piece (in my case a Marmot Isotherm), and I'm good to around zero.
      Answered on 3/12/2015 7:19:58 AM by Jackalope from New Jersey
    • Answer First, throw out the 800 down rating as having anything to do with warmth. That rating is for how much the down will loft when uncompressed and gives you an idea of how small the jacket will pack down. The key number in warmth is the amount of down used. This coat is thin and is not really a stand alone extreme cold weather coat in my opinion. Please keep in mind warmth is a very subjective thing. The numbers below are for me, an estimate and based on a dry day.

      50 degree days, I would never wear this coat. It would be way too warm.

      40 degree days, this coat is fine on it's own and in fact would be toasty.

      30 degree days, would require a fleece mid layer if you are inactive, but would be perfect for mild activity.

      20 degree days, this coat needs a fleece and a wind breaker for inactive and is perfect for backpacking.

      10 degree days, this is where the coat starts to get a little too light for inactive use but is still good for backpacking.

      5 degrees setting at a football game, this coat is not adequate.

      5 degrees hiking with a 40lb pack, this coat works, but I was still a little cold until about the three mile mark.

      I was at first disappointed with this coat myself, but after giving it a fair shot, I have used it a lot. It is not a tailgating, football game, fishing coat. But if you are active it is very nice and that light weight gets pretty beneficial on the trail. It also makes a great foot warmer in the sleeping bag and a heck of a pillow.

      For reference, I am a sixty year old man, a cool to cold sleeper and like my house about sixty eight degrees in the winter. A younger person may find this coat much more suitable for college activity. Plus it is a great looking coat that should fit any social event.
      Answered on 3/12/2015 8:14:05 AM by The Hiking Pawnbroker from Missouri
    • Answer I've not spent a winter in Illinois, but I do live Kansas City where we get plenty of temps below 20, even wind chills below 0. We get snow, ice, and just plain cold weather. I always wear Icebreaker underwear, and with regular clothes, this coat is good for around 20 degrees if you're walking. Maybe 30, if you're sitting still. Additional wool, or synthetic layers underneath can help extend this coat to cover the colder temps. That's part of the reason the sleeves seem so baggy, so as to allow layering. I walk 2.5 miles a day in all kinds of weather, and this coat works (as described above) in all but the coldest weather. You'll have to decide for yourself, but it's a great bargain for "most" conditions.

      Heavier fill volumes can be found in jackets from other brands (like Westcomb, for example), but they are also much more expensive -- just in the name of full disclosure I have the Westcomb Himalaya for when I go to football games in the middle of December!
      Answered on 3/12/2015 11:38:20 AM by Dan the Walker from Kansas City, MO
    • Answer It's warm enough if you layer properly. I took this jacket to Missouri this past winter where it was single digits at night and 20s during the day. I layered with a long sleeve base layer during the day and added my marmot variant jacket underneath the ama Dablam as an extra insulation layer at night and I was toasty the whole time. It didn't rain or snow when I was there, but if it did I had a waterproof outer shell ready. The Ama Dablam by itself isn't great in a downpour. With a shell however, you are set for all weather conditions above subzero with proper layering.
      Answered on 3/12/2015 11:43:19 AM by DJSlik from Vegas
    • Answer I wore it today and it was just above freezing. When I started walking I had to take it off. It is really warm.
      Answered on 3/12/2015 9:17:55 PM by The slice Man from Ellensburg
    • Answer I am amazed how warm this jacket is. I wore it on the coldest days with layers, and walked 20 mins to the office regularly in single digits. It is not a long jacket, but that was OK with me. It is extremely light weight and allows for good movement--and very warm.
      Answered on 3/14/2015 2:22:00 PM by David from NYC area
    • Answer This coat is not very warm at all as there is hardly any insulation in it. Most of the reviews seem way off to me. People who say they are comfortable around 0 degrees are nuts. The jacket is paper thin.

      I can use it around 35 degrees and up.
      I bought it to replace a torn up north face nuptse down jacket, which was a good combo of warm and light.
      Unfort this marmot jacket isn't warm enough to replace the north face. I guess I'll just use it in the fall.
      Answered on 3/6/2016 11:17:45 AM by Peter the climber from New York
    • Answer Sorry, I can't help on this one.... I bought the grey. You might call Marmot customer service with the color name, and they can describe the color to you.
      Answered on 1/11/2015 8:32:15 PM by Dan the Walker from Kansas City
    • Answer It does look a little pinkish but a fantastic Coat I Love it Very Warm about to Buy another one already own 3
      Answered on 1/11/2015 9:05:33 PM by Ralph from ValleyStream
    • Answer It does look a little pinkish but a fantastic Coat I Love it Very Warm about to Buy another one already own 3
      Answered on 1/11/2015 9:05:35 PM by Ralph from ValleyStream
    • Answer I can not. I bought mine in the grey color. I wish I could help, but have never seen the red one.
      Answered on 1/11/2015 9:09:53 PM by the Hiking Pawn man from Missouri
    • Answer Sorry, I purchased blue one, so I cannot comment on red. The blue one was slightly different from the way it appeared on screen. Blue was more of "electric blue" rather than darker blue on screen. In any case Sierra has good return policies and if you don't like the color they will take it back
      Answered on 1/12/2015 6:06:20 AM by Alex from Atlanta GA
    • Answer It is a true red as red gets. The color may look pinkish but its because of the jacket material and texture. However, it is a great deal, very ward and great value for money. Go for it!
      Answered on 1/16/2015 9:56:01 AM by Darren W. from Brooklyn, NY
  • Question “how much the weight of insulation?”

    Asked on 11/27/2014 4:48:33 AM by darcy from clorado
    • Answer It's in the title - 800 fill down
      Answered on 11/27/2014 10:02:38 AM by stlterp from Missouri
    • Answer The weight of the insulation is about 20 ozs. Very light and very very warm compact insulation product that keeps you warm despite its weight. Reminds me of Military Grade Insulation...MGI. Worth its weight in gold.
      Answered on 11/28/2014 11:30:15 PM by Darren W. from New York
    • Answer Re 1st response- 800 fill power is the measure of the ability of the down to expand to fill a space; it has nothing to do with the weight of the down in the particular jacket. A jacket with 12 oz of 800 fillpower down will be puffier and heavier than a jacket with 10 oz of 800 fillpower down, all other things being equal Re 2d response - the down can't weigh 20 oz, since the whole jacket weighs 1 lb. 3 oz (19 oz), acc to the Marmot website. STP should require manufacturers to list the fill weight of their insulated products so we can compare
      Answered on 2/24/2015 2:09:28 PM by Norm in Helena from Montana