Exped DownMat 9 Pump


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You’ve tried the rest in your quest for a light, warm camping pad, now try the best, in the Exped DownMat 9 Pump. Product of the year for 2002-2003, as awarded by Europe’s leading outdoor magazines, this unique pad brings air and down together for an unparalleled warmth to weight ratio. Testing by the Swiss Federal Laboratories for Materials Testing and Research has demonstrated that regular mats lose 3 times more heat to cold ground than to the air, the down in the Exped mat eliminates this problem giving you a higher R value with less weight and bulk. Low profile valves eliminate another common source of issues, and light foam barriers at the mat’s ends prevent down from escaping or traveling between chambers. Mother Nature’s creatures usually get it right, and now you can too with the DownMat 9 Pump from Exped.


  • Winner 2002-2003 European Outdoor Award
  • Material: Laminated polyester with brushed top surface
  • Insulation: 700 fill goose down
  • R value: 8
  • Low profile valves
  • High frequency welded seams
  • Dimensions: 70 in x 20 in x 3.5 in (regular), 76 in x 26 in x 3.5 in (wide)
  • Stuff size: 9 in x 6 in (regular), 11 in x 6 in (wide)
  • Weight: 2 lb 4.2 oz (regular), 2 lb 12.1 oz (wide)

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Review Summary

4.6 out of 5

9 Reviews

  • Build quality: 5
  • Great design: 5
  • Ease of use: 4
  • Performance: 4

  • Cost: 2
  • a little more set up time but not difficult: 1
Durability: 5 / 5
Quality: 5 / 5

9 Ratings & Reviews

Warmest and most comfortable pad I've ever used!
May 18, 2010

This pad is filled with down and has an R value of 8. That makes this the warmest pad I could find that works for backpacking and mountaineering, meaning it's compact and lightweight. Very cool design enables the pad to be easily inflated with the built in pump (it's like giving the pad CPR), so no puffing needed. It's also 3.5" think and as I sleep on my side, this pad is great on the hard cold ground. I actually don't need to take a super warm sleeping bag with me anymore as I sleep so much warmer on this pad! I'd recommend this to anyone who wants warmth and comfort in the outdoors.

Awesome pad!
August 16, 2010

I've tried a lot of pads and this is my favorite! It inflates easily, it's warm, and very comfortable. The pump design is much easier to use than blowing air in to inflate a mattress. I love this pad!

Durability: 5 / 5
Quality: 5 / 5

I love this mat!!!!
November 17, 2012

My last sleeping mat is a Ther-ma-rest which is 25 years old. It is a big bulky thing. I am headed to New Zealand next month and wanted to get a warm light weight sleeping mat for the trip. My Exped 9 sleeping mat is just want I wanted. It is rated 8 to be lovely and warm. I love the built in pump that I do with my hands - it is very easy to use once you get the hang of the pumping action. At first I kept getting my palm off the one way inflation valve so it was not blowing up as quickly as it could. Once I got used to where to put my palm and got into the rhythm of pumping the blow up goes quickly and easily. I love that it has down for insulation right inside the mat. It is extremely comfortable no matter what position I sleep in. I also bought the Exped DreamWalker 650 sleeping bag. I love that together my mat and bag weigh just over 5 pounds and I will be warm as toast!!!

Pros: Great design, Build quality, Performance, Ease of use, Great value
Quality: 5 / 5
25-34 yrs

The only pad for winter backpacking
May 24, 2011

According to my research, the Exped Down Mat 9 (and maybe the Down Mat 7 and the Synmats of the same brand) are the only mats that are light enough for backpacking yet warm enough for winter and/or high elevation use. Its price is high, but if you want to backpack in really cold conditions, get it! The thermal resistance value of the Down Mat 9 is 8 [m2°C/W]. This is more than most other mats on the market. The high value is achieved by filling the mat with goose down, which prevents the air in the mattress to move around and therefore transporting heat from your warm body to the cold ground. Recall that when sleeping in your sleeping bag, your weight compresses the insulation of the bag and thus decreasing the sleeping bags insulation towards the ground. The only thing that substantially isolates you form the cold ground below is then the mat. Other than regular foam mattresses, the down-filled mat can be compressed to a very small volume, which results in an extremely compact package when rolled up. I own an admittedly very comfortable self-inflating foam mat with an R-value of 7 and of comparable size to the Donw Mat 9. This foam-filled mat weights however 5lbs and packs more than twice as large as the Down Mat 9. I used this heavy mat before I finally bought the Down Mat 9. The foam mattress works equally well for winter camping, but to carry it around on a backpack is awful (due to its weight and size). Inflation of the Down Mat 9 is done with the integrated pump. After inflating the mat the first time, I thought it was quite a hassle, but with every inflation my technique improved and inflating the mat takes now pretty precisely 90sec (I have the largest version of the mat - inflation of the regular size mat will be quicker). Deflation is easy and quick with the right technique. The video provided on the Exped website showing deflation of a mat is very illustrative. As another reviewer of the mat wrote, the Down Mat 9 (and most probably any mat that is not filled with foam) does still feel like an air mattress. My ultra heavy foam-filled mattress proves to be more comfortable, but at its weight of 5lbs it better does. I cannot say anything about the durability yet since I do not own the mat for long enough. The quality seems however excellent and the fact that many professional mountaineers use it for expeditions (also to the Himalayas) is probably the best proof for the mat's durability.

Pros: Great design, Build quality, Performance, Ease of use

Poor construction
August 04, 2010

One use and the valve separated from the pad.

Durability: 5 / 5
Quality: 5 / 5

Look no further!
January 02, 2013

If you are planning to be out camping in the winter this is definitely the mat for you. There is no other mat with a comparable R value that is this easy to set up. The pump design is just fabulous when you are out in 15 degree weather and trying to get into your sleeping bag ASAP. The only downside is the cost. But if you are serious about the investment its well worth it. For the amount of comfort and warmth it provides it packs down decently small and is fairly easy to pack up in the morning. I've only used in on one trip so I can't speak for how long it lasts but it seems to be of great quality.

Pros: Great design, Build quality, Performance, Ease of use, Cons: Cost
Durability: 5 / 5
Quality: 5 / 5

from New York
35-44 yrs

only sleeping pad I will ever use
December 04, 2011

The title says it all. I have always loved camping, but often had trouble sleeping when I would roll off my sleeping pad and end up shivering on the cold ground. The Exped DownMat is now the only pad I will ever use. Yes, it is slightly bulkier than my ultrathin sleeping pads of the past, but it is worth every extra ounce and inch. I don't roll off this mat because of the slight texture to the covering, even when sleeping an a slight incline. I am always super warm through the night and sleep soundly. Really cannot recommend it enough. It is pricey, but will last for years. Totally worth it as I don't hesistate to sleep in the great outdoors anymore!

Pros: Great design, Build quality, Performance, Cons: a little more set up time but not difficult

August 21, 2010

I searched high and low for a comfortable, warm, lightweight sleeping pad that is easy to inflate. This is it!! I paddle kayaks long distance. The size weight and construction of this pad are fantastic. The Down 9 is super warm. The construction is superb; much better than any Thermarest or Big Agnes mats, I have both. It packs down to the size of a 2-liter bottle. Very ow weight. It takes some practice to pack but once you get it down, it's easy to roll and pack. I use it on rough terrain with no concerns. Excellent product.

Durability: 5 / 5
Quality: 5 / 5
from St. Louis, MO
25-34 yrs

Excellent Pad
November 02, 2011

This pad appears durable. I have not used it in the cold yet but have tested it at my house. I like how it partially self inflates, eliminating some time pumping. The integrated pump is great. It has a good loft and is plenty wide enough for a good mummy bag. I bought one to make sure I would like it and will be purchasing another for my wife.

Pros: Great design, Build quality, Ease of use

Also Available

Exped DownMat 9 Pump Photo


Available sizes, while supplies last, include size medium and size large: m, l.

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