Big Agnes Air Core Mummy Sleeping Pad


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Big Agnes sleeping pads are designed to provide years of comfortable nights in the backcountry. The Air Core Mummy air chamber sleeping pad has gained a huge following due to its light weight and small packed size. Performance features include durable 70D hexagonal rip-stop nylon top and 70D nylon bottom, internal polyurethane coating, non-breakable brass valve with plastic coated EZ-Flate™ mouthpiece, and I-beam construction that eliminates welded seams to reduce cold spots and ensures quick inflation/deflation. This pad is rated to 35 degrees comfort.


  • Material: Durable 70D hexagonal rip-stop nylon top and 70D nylon bottom
  • Light and compact summer pad, with 2.5" of comfort
  • I-beam construction eliminates welded seams to reduce cold spots and ensures quick inflation/deflation, consistent air flow and stability
  • Internal polyurethane coating
  • Non-breakable brass valve with plastic coated EZ-Flate™ mouthpiece
  • Add a closed cell foam pad in colder temperatures for extra insulation
  • Stuff sack and repair kit included
  • Repair kit small pocket on the inside of the stuff sack
  • Each pad individually inflated and tested
  • EZ-Flate™ Valve instructions
  • Rated to: 35 degrees
  • 20 x 72 x 2.5" mummy (regular), 20 x 78 x 2.5" mummy (long)
  • Weight: 19 oz. (regular), 22 oz (long)

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Review Summary

4 out of 5

7 Reviews

  • Ease of use: 1
  • Great design: 1
  • Great value: 1
  • Performance: 1

  • Wears quickly: 1
  • you have to inflate yourself: 1
Quality: 3.5 / 5
Durability: 3 / 5

7 Ratings & Reviews

Now I can sleep in comfort.
August 28, 2008

I am very happy with the Big Agnes Air Core Mummy Pad I purchased. It is light& compact enough ror my backpacking needs. It's a whole lot more comfortable than the closed cell pad I've been using, now I'll be able to sleep on my stomach with comfort. Thanks

This pad is the perfect blending of comfort and convenience.
December 13, 2009

The pad is extremely convenient for backpacking, considering its light weight and small size requirement (the size of a 1L bottle). I will be purchasing one for each of my family for our summer backpacking.

Durability: 2 / 5
Quality: 3 / 5
18-24 yrs

Weight Gaining Pad
May 30, 2012

For an ultralight experience this is not the pad to go with. I was using it daily for 3 weeks on a section of the Appalachian Trail and it gained a significant amount of weight due to gaining moisture retention inside the pad. If your goal is to keep it light I would not recommend this pad. In all other respects it is a good sleeping pad.

Pros: Ease of use, Cons: Wears quickly

Comfortable but a bit of a hassle
March 02, 2010

Definately great for sleeping just about anywhere no matter what the terrain. Also it is very light and packs up well. However, it takes a while to inflate and leaves you dizzy after. It also takes time and pressure to deflate the pad when rolling it up due to the small inflate/deflate nozzle. Aside from a little effort it is still worth the comfortable sleep it provides.

Durability: 4 / 5
Quality: 4 / 5
Eric Miller

from Bend, OR

Get a Comfortable Night's Sleep
October 12, 2010

I used to never sleep very good backpacking. Thin pads were the bane of my sleeping existence. Even a self-inflatable foam was still no good for me. I always needed more, especially because I sleep on my side. I finally broke down and bought the Air Core Mummy. I am sleeping better now. The Air Core's 2.5" of thickness keeps me off the ground and allows me sleep on my side and actually gives support. I've only used it for part of a summer and so far durability is good. The main downsides I can see are you have to inflate it yourself, which isn't too bad, it just takes a few minutes. If you're lazy, then it'll suck. Also if it gets a hole you're done for. Better keep the included patch kit with you at all times or some duct tape or super glue. Overall it's a good pad, though I wish I would have gotten the insulated version for the colder nights.

Pros: Great design, Performance, Great value

great comfortable sleep
May 14, 2010

This is a very light weight air mattress that gives a much more comfortable sleep than the foam pad I am more used to for backpacking!

Summer only!
April 08, 2009

I used this pad in overnight temps that dipped into the mid-twenties...not a good idea. The pad was comfy, it just doesn't provide much insulating factor. It will work great in warmer temps, nice and soft.

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