I've used this bag down to about 20 degrees and it was true to its rating when you shift most of the down to the top of the bag. The zipper hardly snags and there is minimal…
- William, 10/20/10
Seattle

The Western Mountaineering UltraLite 20 degree down sleeping bag is one of the best available. The bag is very breathable (but still water repelling) and warms you up as soon…
- Justin, 12/24/11

My wife and I have both owned WM sleeping bags (I have since moved to Feathered Friends) and have nothing but positives to share. Stacie has actually used this bag as a 4-seas…
- STACIE, 01/21/10
Negaunee

This bag was part of my answer to age/wt problem when I purchased it in 6/96.It has kept me warm in a snow storm in Bhutan. I pulled my zipped up jacket over the foot of the b…
- Ben, 08/22/12
Wenatchee

I was looking for an all around winter bag that didn't weigh too much. The Western Mountaineering Lynx was a good fit for both. I took it from the Olympic Peninsula to Joshua…
- Yael, 02/27/09
NorCal

Bought this item about two months ago from Moosejaw and used it a total of 7 nights camping. Temperature only got down too 30 degrees F.. The bag was soft and cozy and slept i…
- dale, 05/27/11

I like to think of the WM Alpinlite bag as my fortress of solitude! This sleeping bag instills fear and commands respect. It's baffles are lush and the extra room in the shou…
- DAVID, 03/05/10
WASHINGTON

Love it. This bag is champion. I'm 6ft, 210, with broad shoulders and a thick chest and this bag fits perfectly. I have the 6ft bag as well, if your much over 6ft tall go for…
- KENT, 05/21/06
FORT COLLINS

Alot isn't a word. Stop using it. This bag is terrific. I've used it in hot weather (I.e. 30+*C degrees) and also in cold weather (below 0*C) and had no problems with either…
- ELLIOT, 11/14/12
WINNIPEG

this bag rules!, its super warm and incredibly light weight. I would recommend the XS sea to summit e-vent compression sac to keep it dry on the trail, this also will compress…
- greg, 02/14/11
ROCHESTER! NY

I use this bag out west (3 season use) and it is of the highest quality and comfort. The temperature rating is spot on and it is like sleeping in a cloud. Although it is rated…
- Timothy, 12/21/12

I was worried that the Gore Windstopper would be a bit much; we were initially considering the MF fabric since it’s a lighter but I'm quite happy with it. We slept in a 3 se…
- MARTINE, 12/01/12
Quebec

When I was looking to buy a new sleeping bag there were a few features that were a must for me. I wanted something warm, yet light, small and compressible when stuffed, water…
- Brent, 03/23/11
dayton, oh

This bag is so nice and warm its probably rated too high. So more heat for you buck whats not to love.…
- David, 03/10/09
DUBLIN

Take it to a campsite where the temp was -27C / -16.6F and could sleep very comfortable. Must have for high altitude trips!…
- HAJIME, 07/04/12
OTA-KU TOKYO

Incredibly warm. Packs smaller than some other brands with equivalent ratings. And it's light for its temperature rating. All in all, incredible.…
- Steven, 04/24/13

I have now used my WM Highlite in the Grand Canyon in November and North Florida in January. It is incredibly light and stuffs down to the size of large can of soup. It kept…
- Mark, 03/13/11
Tampa

Amazing bag. Light, warm, fabric feels nice against skin. Stuffs TINY! Absolutely nothing wrong with it, in any way. I'll only buy Western Mountaineering bags from now on.…
- Robert, 02/18/11
Brooklyn, NY

I bought the Western Mountaineering Puma MF Sleeping Bag because I am always cold. I was looking for the warmest light bag on the market. After a lot of research I found out t…
- roumiana, 08/28/10

Slept in this at 14,900 feet in Nepal. Everyone else froze in their bags--I was toasty warm.…
- REBECCA, 10/31/08
MONROVIA

So most bags use this theoretical rating system based on survival. This bag does not and kept me warm at 7 degrees and luke warm at about -5. I think it is important to add…
- JANE, 10/19/08
SAINT GEORGE

This bag will adjust to almost any temperature, due to the zipper system and the continous baffles. In other words, a true 3-season bag, super comfortable!…
- Øivind, 10/31/09
Ellicott City

Used this bag in Big Sur, California in 40 degree F weather. It was actually a little warm for the occasion. I would rate it for 20 degrees even though it says it's for 30.…
- sarah, 04/16/11
Naples, Florida

Having made the long sad journey through just about every other decent 30-degree down bag out there, including a Summerlite (too small), this is it. The one. The bag. For the…
- Will, 03/15/11
San Francisco, CA

My relationship with this bag can be best summarized as love at first sight. Unfortunately, the first time I used the bag I noticed that the stitching (though beautiful and p…
- Luke, 11/08/10
Seattle

on an ill fated (we had to hike out to closest road after getting dumped on by 20" snow over night) Pemi traverse last winter this bag was awesome. I am 6'6" 185lb and always…
- jeff, 11/04/11
NH

I logged over 300 miles on the Pacific Crest Trail this summer, 140 of which were through the Sierra's, and I was never cold and always comfortable.…
- Nicholas, 09/29/10

I am a VERY cold sleeper, and after nearly freezing to death in only 40 degree weather in my previous sleeping bag, I said, "that's it. I don't care what it costs, I am never…
- Jerri, 09/27/12
CA

I used this bag four times in the winter of 2010-2011 and am looking forward to using it in the winter of 2011-2012. I never zipped it up and did not use a tent. When unzipp…
- Daniel, 12/01/11

I recently tried out this bag in 27 degree weather, just to test it out, and was delightfully surprised that i stayed warm all through the night. Although pricy compared to o…
- Luke, 12/07/09
Milledgeville, GA

You can't go wrong with this bag in mild to just freezing point temps - extend it's range 3 degrees or so with a good set of Merino wool longs, socks & a hat - OR - use it as…
- David, 11/02/11

Tried some experiments with the bag. On an Exped Downmat 9 pad in snow with no tent, the bag started to develop some cold spots along the zipper at about 18 F with 10mph wind…
- Leith, 12/10/11
Aurora, CO

I'm a Western Mnting addict. I have a couple of their jackets and lighter bag, and there is nothing of better quality than their stuff anywhere. I got bonus at work and went…
- Brian, 01/28/10
Virginia, USA

This time last year I bought the MH Phantom 0. Upon receiving the bag (from Moosejaw btw) I tried it out and it was a little tight. I figured if I was actually cold enough t…
- Michael, 02/23/12
Ohio

I bought this bag a couple of years ago and have used it a handful of times winter camping here in chilly New England. This bag lofts up to an almost ridiculous height, given…
- Rob, 11/19/12
Vermont

I have taken this bag to CO multiple times, winter camping in AR (16deg F) , and even Kilimanjaro. It was warmer than I could ever need. It has many features including a mul…
- BRETT, 01/28/11
Madison, WI

After months of research on sleeping bags I came to the conclusion that my best bet would be the Marmot Plasma 15. I received it in the mail from REI, immediately disappointed…
- David, 05/11/12

First let me say that I own several Western Mountaineering Products and I love this brand-They get it right! The best materials and top grade Goose Down. Made in the USA- I p…
- Cliveous R., 01/03/11
Athens, Georgia

The Badger is one awesome bag. It has extra width for a wider than average dude. I am average sivze, but enjoy the freedom of movment in this wide bag. The extra width is g…
- Ben, 10/22/10
Midwest

Western Mountaineering's Ponderosa MF is square cut. Unzipped it becomes a toasty comforter for 2 of far better quality than those heavyweight overpriced comforters with high…
- Timothy, 01/25/11
Southern CA

extremly warm sleeping bag.…
- LISA, 07/16/08
TRENTON

I slept outside in the mountains of West Virginia in late December in a Squall II tent. Three feet of snow had fallen and the temperature was 7*. I had on an icebreaker shirt…
- Cliveous R., 01/12/10
Athens, Georgia

This thing is WARM, light, highly compressible, and with the ability to unzip into a comforter, it's extremely versatile as well. It is impossible to regret this investment. I…
- John, 05/23/11