TETON SportsALTOS, 20 Degree and 0 Degree Sleeping Bag for Adults, Lightweight Warm Mummy Sleeping Bag for Camping, Hiking, Backpacking

Love the bag! I was somewhat skeptical with how reasonably priced it is, but I'm a believer now. It's a bright orange, very comfy, appropriately sized bag. I know the pictures aren't amazing but I tried to show the size of the pocket and how the water beads up pretty well. I'm about 6' and the length and width is plenty.Pros:-The fabric isn't super plasticy, it feels better on bare skin than any of my other bags-It packs down smaller than they suggest (I got it to 11 X 8.5 X 8.5 without a struggle, which isn't huge but gives a fair bit more room if you're backpacking)-I love that it has a little zip pocket inside, I use it to keep the battery life on longer trips [without my phone or goal zero sliding around my bag, the body heat helps]-Super light-I haven't been through a rainstorm with it yet but I threw a bunch of water on it, it's definitely water resistantCons:-I haven't found anything significant yet. are there bags that pack smaller? yes. lighter? yes. but honestly bang for your buck this is an amazing bag

We bought this sleeping bag to take on a trip to the Sawtooth National Forest to see the 2017 eclipse. I have been looking for a down sleeping bag but have been hesitant to pay the $700 to $900 price tag, especially for an insulation that cannot get wet and still keep you warm. I was introduced to this bag and decided to give it a try. I bought the -10F bag because I have always been disappointed by temperature ratings. It was going to be around freezing in the mornings according to the forecasts and I didn't want to chance being misled.It turns out that this bag was too warm. In the morning when there was ice on the tent fly from the condensation, I found it unnecessary to have my head in the hood, or to have the internal neck seal in place. Frankly, the bag was too warm for the trip. I suspect I could have used the 0F version of this and would have been comfortable. So I am pleased they appear to be conservative with the temperature rating. Another trip with colder weather will tell for sure, but at this point I think they are being honest.Another plus is that the seams on the outside are offset with the seams on the inside. This allows the down filled pockets to overlap. This means that heat can't escape through them. They also have down filled tubes that cover the zipper. This is all common in all the good down bags I have looked at, so that isn't a surprise. I guess I am surprised at how inexpensive it is while it appears to be as good as it is.The zipper would snag on the inside zipper draft tube from time to time, but I didn't see any damage and I could get it free fairly easily.I didn't see any of the down come out of the outside or inside material, but I haven't used it that long yet, so we will see how it holds up.I don't know how this feels when it is 0F or colder outside, neither did I get the bag wet, so I can't comment on how well it holds up under those conditionsAt this point I like this bag, I am glad I bought it.

I thought I would add this to my sleeping bag choices as the price seemed amazing. Very cold and uncomfortable sleep at 30F with a layer of merino on. My Nemo 15F bag is way warmer. My synthetic 20F is warmer as well.Layered clothing - merino, medium weight down top and bottom, with medium softshells over it - was warmer than this bag.Thin and little loft so it would have been magic if the listed rating were actually reliable.

I bought three of these and returned one. New ones were not in stock, so I bought two warehouse ones for $2 less than the new price. They were described as “like new.” Imagine my surprise when neither had its compression sack and one was filled with outdoor debris. I returned the dirty one and tried one more time to get a good one since I needed two, one for myself, one for my kid. The replacement one was clean and came with its sack. I still had one that was missing the sack, so I reached out to TETON Sports, and they sent me one, free of charge. They were very responsive and really stand by their products.As for the performance. We camped in nighttime temps in the mid-twenties. My son was warm, too hot, in fact. I was cold one night, then added an emergency blanket sleeping bag the next night and was toasty warm. I think that buying a women’s bag would have kept me warmer than this unisex one, but it’s definitely a great bag for males and women who sleep warm.I’m 5’8” 140 lbs and it was a good fit, with space for my clothes that I wanted to keep warm. I really like the shoulder drawstring that keeps cold air from entering the bag.I would order it again, it is light weight, warm, and seems to be good quality. The zippers could have worked a bit more smoothly, but that’s a common problem with bags.

The general rule of thumb for females is that a sleeping bag should work at about 20F higher than its rating. So I'm hoping to use this 0-degree bag at 20F.- At 40F, in a long-sleeve shirt and pants, I was toasty!- At 31F, in a down jacket and pants, I felt a little chilly when I woke up, not terrible.- At 20F, i would be wearing more than 1 down jacket, so I still hope that this sleeping bag will work.- I was pairing it with a Big Agnes Insulated Air Core pad (r-value 4.5)At 5'7", i found that there was too much extra space in the bag. So it is probably colder from being loose, and at best I'm carrying around extra weight that I dont need. It might have been better to get the "scout" version, but the "Altos" bag was not offered in "Scout" size.Fully compressed in the included compression sack, it's 10" high by 8" diameter; a volume of 8.2 liters.it weighs 1475g (3.25 pounds).I've scoured REI and ebay for other 0-degree bags. I could not find a single 0-degree bag lighter than 3 pounds for less than $300, even used. You have to spend a lot to get any lighter or better than this bag. In my opinion, this is the best value 0-degree bag out there.

Great Value! I recently tested this bag on a 3 day winter trip. The first night dipped down to -27C and I was comfortable with a sleeping bag liner and the bag paired with sleeping pad R 7.4. The outside of the bag was wet due to condensation off tent wall in the morning (I was up against the wall of the 4 season tent as we crammed 3 larger guys into a "3" man tent). Have to say the hydrophobic MTN-DRY down fill keeps you warm even in wet claim definitely held up. The bag is a perfect fit for me, im 6' tall 190lbs athletic build. Packs relatively small and is decently light. Many pros for the price and my only cons would be: could have more water repellant outer and better drawstrings around the head.If you are looking for an all around great value winter down bag, look no further!

I bought this bag for my recent EBC Everest Base Camp Trek to Nepal. I used the bag from Oct 23 - Nov 1 every day during the Trek. This sleeping bag exceeded my expecations, it was exceptionally warm even at the highest tea house in Gorak Shep 5100m at -17C . I normally slept nude as you should in sleeping bags to prevent moisture from dampening your clothing. The only complaint is the zipper tended to snag while closing from inside. The anti-snag feature works well from outside the bag. One thing I did notice is when the bag was delivered took at least 4 days to obtain the proper loft. Down being compressed for so long in stuff bag gave me the initial impression would not loft up. Be patient when you 1st get bag and allow to reach max loft before placing back in stuff bag. Always store out of suff bag when not in use to maintian loft of down. During Trek the bag would loft up to proper amount in about an hour which is what is expected from compression sack. I would recommend this sleeping bag for anyone requiring a cold weather bag.

I got to try this sleeping bag in -7C weather and it performed really great, I also got to try it in -1C humid weather and I must admit it didn't perform as well in humidity. I would recommend an extra layer bag for humid weather.The mechanism to tighten the neck piece is oddly positioned and if you slip yourself in your bag it falls at face level. I love the inside pocket, ideal for keeping your ear plugs in reach when ready to shut yourself out of everyone else.

Bought this hammocking. Got the 0F version as I'm in Canada. I thought I could use this both in warmer temps and colder ones, so that I could sell my old 6C bag.When it was still warmish outside (maybe around 20C, bit higher in the evening probably 18C-ish in the mornings - 68F to 64F-ish) I used this alone (didn't have an underquilt yet). It got really hot in there. The problem with that is that my feet were burning hot and I really wanted to stick them out. But you can't open the zipper on the bottom from the inside, so you gotta reach out and do it from the outside. Because it's a mummy bag I suppose the zipper also doesn't go all the way around the bottom like I'm used to (never had a mummy before), so you can't just open up the bottom and stick your feet out, you have to stick them out kinda to the side and it leave more than just the feet out. I still wanted it zipped up on the top, because my chest/lung area gets cold easier. Until I figured some of this out, I was simultaneously too hot (feet burning) and too cold (lungs screaming). You have to basically stick feet out, probably with socks, when that gets too cold stick the feet inside the bottom but probably still leave it opened and remove your socks. Zip it up at some point and later in the morning put your socks on when that gets too cold. All the while on the top if you zip it all the way up and use the draft collar to keep the draft out you're also too hot there. Had I known, wouldn't have bought this bag. That's way too much waking up and adjusting for me.So then I used it with lower temps all night around 15C-ish (~59F) and a bit lower. Down to yesterday starting with 8C (46F) in the evening and in the morning waking up to 3C (38F). I was toasty warm when going to sleep, not too hot, very comfortable actually. I also have a hammock underquilt now (rated 20F) so that keeps you pretty warm from underneath. The bag however wasn't that great. The hood and draft collar are great. If I cinch it tight enough I don't feel cold from that end and the wind was blowing quite a bit one of those nights actually. However, I could feel cold all along the zipper and the foot area was getting noticeably cold during the night as well. I would gather being sleepless from about 4a.m. because it was too cold. And that's with a down vest on. Of course I survived, no cold so far either but it was not a comfortably warm night in an awesome hammock as I had hoped for. I can say that the underquilt is definitely not the cause, as I had set it up slightly too loose one night and I could feel the cold from below and that was gone after fixing that setup mistake.EDIT: Been out in colder temps now. Both around freezing and down to -9C/15F-ish. Out there in the evening just watching some youtube it's OK but I can't get the neck area closed up enough when I'm just using it in Top Quilt mode (i.e. not zipped up, thus can't use the hood properly - will try that soon, though it's made much harder because the lower zipper is not reachable from the inside, only the outside). For sleeping I didn't really trust it so far and stacked my old 6C bag on top and stuffing both around my face/neck area keeps me toasty warm. Not the point of having a 0F bag tho if you ask me.

Used this tent for 4 days this October where temperatures ranged from 5 degree C to 0 degree C at night. It also rained during the nights so the air felt cold. I was using a 4 season sleeping pad with an R value of 4.2 underneath me, and a 3 season sleeping pad inside the bag, along with a sea to summit sleeping bag liner that’s supposed to give an extra 25 degrees of warmth. I had on fleece long underwear, warm sweat pants, along with two sweaters, a vest, and a puffy jacket. I was sleeping in a good quality 3-4 season tent and let me tell you, I was STILL COLD. I don’t know how this sleeping bag is rated for 0F/-18C. I wouldn’t dream of using this to sleep in those kinds of temperatures. The zipper also snags a lot and there is a Velcro strap that uncomfortably hangs down and rubs against your face.Overall, this is a good quality sleeping bag, and it packs back up into its compression sack super easily. The bright orange colour is very nice, and it is very lightweight. But for $145 I was expecting something slightly better. I plan to use this bag more and maybe it will grow on me.