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Better than bed.

With a little more room and a lot less weight, the Big Agnes Women's Ethel Sleeping will make you wonder why you haven't been sleeping outdoors all along.  The Ethel was designed without insulation on the bottom, so Big Agnes was able to make it more roomy and lighter weight at the same time. instead of insulation on the bottom of the bag, which gets smashed down and provides no warmth, Big Agnes gave the Ethel a pocket for your sleeping pad so you could capitalize on its insulating properties without ever rolling off again.

  • 0 degree rating offers lots of versatility for camping in all conditions but the hottest part of summer
  • Downtek treated water repellent down maintains loft and insulating properties when wet and provides anti-microbial and anti-bacterial protection
  • Rectangular shape for more space and greater comfort in multiple sleep positions
  • Nylon microfiber ripstop material for durability
  • Draft collar seals out cold air
  • Full-length zipper with draft tube seals out cold air and allows you to zip left- and right-zipper bags together
  • Full-length sleeping pad pocket so you never roll off your pad again
  • No insulation on the bottom of the bag, pad keeps you warmer than smashed insulation would
  • Insotect Tubic insulation system provides the maximum cubic loft for optimal thermal efficiency
  • Super-light (just 3.25 pounds)
  • Pillow pocket for maximum sleep comfort
  • Includes mesh storage sack and nylon stuff sack

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Big Agnes Ethel Sleeping Bag: 0 Degree Down - Women's

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Here's what others have to say...

5 5

Worked Out Quite Well

  • Familiarity: I've used it once or twice and have initial impressions

I’m a short male (5’5”) with moderate build (155 lbs) and have been looking for a cold weather mummy style sleeping bag that is short to accommodate my height. I noticed the Big Agnes Ethel Sleeping Bag: 0 Degree Down - Women's came in two sizes. One was sized for women 5’6” or less. Out of curiosity I compared some of the dimensions (shoulder and hip circumference) against a few men’s bags and both circumferences for this bag were larger than the men’s I compared to. Of course this bag weighed on the average about 14 oz. more than the men’s because of its added dimensions.

I decided to order this bag and upon receiving it conduct a couple of tests knowing that if the bag failed either test or both that I would return it. Immediately after its delivery to my house I climbed inside the bag to see if the size would work for me and it sufficiently passed that test. Next, I decided to field test it that night in my backyard in temperatures forecasted to be 10° so I pitched my backpacking tent to sleep in.

In addition to buying the bag I also purchased the Big Agnes Insulated Q-Core Sleeping Pad that was designed and sized for this bag. The product description stated that the sleeping pad was integrated into a pocket on the bottom side of the bag to keep the user from sliding off the pad. It was also advertised having “X-Static® synthetic insulation” which I would put to test that night (the weather forecasters were correct with their temperature prediction.)

The bag turned out to be comfortable and warm for me with the exception of some minor tweaks on my part. I layered myself with a pair of wool socks, thermal underwear, a polar fleece pullover, polar fleece vest, and a balaclava. Thirty minutes into the bag I began feeling myself becoming overheated so I peeled off one layer of clothing.

Another tweak that I did was necessitated by my lack of experience with a true mummy bag in frigid temperatures. I woke up about 3:00 a.m. starting to feel chilled when I realized that I was losing body heat because I did not have the hood of the bag properly fitted. Lack of familiarity with the hood system and a bit of claustrophobia initially caused me to overlook the hood’s intended functionality. But the chill of the morning caused me to rethink how I was not using the hood properly and after making adjustments to the hood and putting my polar fleece vest back on I quickly found myself comfortable again.

Since I purchased this bag for use during mid-Fall camping/fishing trips, I probably won’t experience the cold temperature that I did this morning. But should that happen I know now that this bag will be comfortable if I properly layer myself clothing wise and use the hood in its designed way. I am completely satisfied with this bag and the Big Agnes Insulated Q-Core Sleeping Pad and am confident that I made a good choice despite its gender identified design.

Is the pad pocket a Big Agnes-specific design, or could I use my Therm-a-rest Prolite Plus?

Responded on

Well, I'm answering my own question here. I checked out the bag and found out that the sleeping pad pocket is designed for the rectangular Big Agnes pad, in case anyone else is wondering.

5 5

Warm at Last!

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

I've just received this bag-gift from husband-and promptly took it snow camping. I sleep extremely cold, even at home in bed, icy feet and all! So I did my research on how to stay warm in the snow. Check out this website
Here's what I did to stay warm in the snow from the ground up: used thermal tarp for ground cloth, BA ul2 tent, Thermarest Z lite foam mat, Klymit insulated air mattress, then put my down bag into a lightweight (50*F) fiber filled bag. I am making a goretex bivy for colder weather-when I camped it was 32*F/ 0*C and sleeting (that is raining little ice balls for those of you not raised in the Midwest : ) but I was on about 6" of snow on top of a rock.
I didn't need the outer bag at this temp and just left it unzipped. Inside my BA Ethyl I wanted a VBL -vapor barrier liner- so I used a clean garbage bag over my feet, my feet became very warm-which never happens, not even in summer for me. Then I ripped a hole in the bottom of a plastic yard bag and stuck my head through, made side holes and stuck my arms out of the side holes-making a garbage bag shirt- This helped my back stay warm because I ALWAYS get cold sleeping on any air mattress. I was very warm this way and slept all toasty and awesome until a loud hungry black bear came into camp. Don’t eat in the dark and drop crumbs of food by your tent. I’m learning, just did more research on how not to lure bears into camp, anyway, I survived. And…stayed warm-toasty warm- On the snow!
I'm 45, 5'8" tall and 175lbs, there is plenty of room in this bag for me to spin all around. It's super comfy and I love the baffles around the neck and zipper.
I'm waiting for it to get colder. Like the website above mentions, for temps around 10 degrees f, I'll be using a Gor-tex bivy over this Ethyl bag and add a polar fleece liner inside the bag-with a VBL. Best of luck!

I am looking for a down sleeping bag for my girlfriend who easily gets cold at night.
I have read mixed reviews about this bag, and I wonder if anyone has ever tried it in temperatures colder than 10°F?
There are loads of positive and a few negative reviews for 30F. I need it to suit Australian snow hiking.
Much love, thanks.

Responded on

Hi Karl, I haven't tried it in 10f yet-hoping to do so soon but I also get easily cold, except in my husband's military arctic bag-but that is a 10lb bag so...anyway if you read my review above "Warm at Last" I put some good tips in there for sleeping warm.
If the weather drops into the teens, I'll be running back up into the mountains to see how it goes and write an update. Best of luck! Love that cold mountain air : D
Hope you get one of these answers, I've tried posting it 3 times and nothing is showing online...

5 5

First Impression

It?s a dream. Ok, so I?ve only owned it for 3 days, but from what I can tell, it?s a good one. I have tried out the mummy shape bags and they are just not for me. I gotta move and be able to express myself in different positions when I sleep and the mummy held me back. The shape of this bag was the first thing that attracted me to it.

The second thing that I needed was warmth. I freeze easily. With a 0 degree rating, I am hoping to be warm when it?s in the 40s at night. I am also planning on having an inner blanket/liner as well.

The fact that it?s down means it?s light weight. I haven?t actually weighed it myself, but it?s said to be in the 3 pound range. It can also squish pretty small, which is what I need for backpacking. It comes with a mesh storage sack and a smaller bag? known as a stuff sack, though I will not be using it because I have a better stuff sack with straps to cinch it down.

The unusual thing about this bag is that there is no insulation on the bottom. It?s a sleep system bag and is meant to have an insulated sleeping pad slipped into the under pocket. The idea is that insulation is worthless when it?s compresses, which is what you do when you lay on something. So, there is just one layer of fabric that separates you from your sleeping pad. If you don?t have a sleeping pad with this bag, you will not be very comfortable.

The sleeve for the sleeping pad is the full length of the bag. I have seen some other Big Agnes bags where the sleeve is only half the length.

This bag has a sewn in pocket for a pillow. It also has a neck collar. Both of which are very nice.

As mentioned before, the shape of this bag is what drew me to it, right off. I can easily roll over and over. I can have one or both knees up while on my side or back.

I am 5'4 and got the regular size cause I like the extra room. I look forward to sleeping in this bag both in a tent and a hammock. I'll post another review once I use it.

Responded on

Hi I just wanted to add that I'm 5'8" 175lbs and I also have tons of room to roll around in this bag. I think it's the perfect shape for saving a bit of room in the tent and not sacrificing any comfort.
Thanks for your review!

Pad Size

Pad Size

This is what this size pad looks like. It sticks out of the top a bit.

The Underside

The Underside

Full length pad sleeve on a regular size.

3 5

other reviews were right...

  • Familiarity: I've used it once or twice and have initial impressions

Here's the deal with this bag: It's a sleep system bag so an inflatable mat slides into the sleeping bag on the bottom. Here's the catch for the petite size, the pad stops below the hood and below the feet. In other words, if you are 5'6, your head will not be on the pad and your heels will feel the end of the pad and the dead space beyond. The max user height for the petite is probably 5'0-5'2. It's certainly warm and reasonably light, but the design confines you to sleeping on your back or stomach. So 3 stars for today.

Responded on

Why doesn't this work for side sleeping?

Responded on

If I remember correctly, there isn't enough room for you to get lay on the side without bending the pad. I returned it.

Responded on

I have this bag's sister, Roxy Ann (rated to 15F instead of 0F), and am able to easily sleep on my side, even being able to bend my legs and bring my knees up to my midriff area with no problem. For reference, I'm 5'1" and weigh 120 pounds, and I have the petite version of the bag.

Does anyone know the compression sack size...

Does anyone know the compression sack size for this bag?

Best Answer Responded on


You can possibly pull off a medium in a few brands, but large is generally the size you'll want in most. Rule of thumb is to take the original stuff size of your bag +/-(in this case, 9x20") and use that as the baseline for your compression sack sizing. You might get an inch or two more diameter, but you're not going to lose any ability to squish it down to the max lengthwise. You get too small to start, and stuffing the bag gets to be a real hassle, especially if you opt for something waterproof with a roll-top.

Looking for a bag with these larger...

Looking for a bag with these larger dimensions EN-rated to under 20F with insulation all around. Anyone know of one (or more) to suggest?

Best Answer Responded on

Old question, but here you go, Neil- I'm really partial to the Western Mountaineering Badger MF. Nice, wide bag. Legitimate rating to 10 degrees -. It's a real go-to piece of gear for me.