Marmot Helium MemBrain
Source: bought it new
Price Paid: around $350 on sale
Great lightweight 3-season backpacking bag.
Have been down in the mid twenties with no extra clothes on, very warm, very roomy mummy shape. I'm 5'9" 200 lbs with plenty of room, packs down small. At a shade over 2 lbs great bag for backpacking.
Have had the bag for about 4 yrs with no problems at all. Thanks.
Price Paid: $367
This thing is like a dream. Waterproof outside, breathable and comfortable inside. The MemBrain lining, although I'm not sure if it's worth the extra money, feels amazing.
After camping while smelly and sweaty, this bag seems to remain clean, which means you'll have to wash it less and it'll last longer than other bags. The down is very lofty and lightweight, like sleeping in a warm cloud, and packs down very small.
Quality seams and no leakage; I was worried at first as I saw some down on the bag when it arrived but it must have been from the factory since I haven't seen any since.
I'm 6'0" average build and got the long version and it fits great. I find that even though most regular bags supposedly fit 6ft people, the hood won't cover your head enough. Found at Basegear.com with a 20% off coupon for $367 ($430 normally at many of the cheapest places).
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Sleep well—absolutely anywhere. Fiery 850+ goose down meets the weather-fighting power of Marmot’s waterproof and breathable MemBrain fabric to create a fantastic sleeping system for lightweight, alpine travel in unstable climates. Marmot's big-mountain heritage is on display head-to-toe, from the six-baffle hood to the trapezoidal foot box.
Here's what other sites are saying:
Key Features of the Marmot Helium MemBrain 15F 850 Down Sleeping Bag - Long Size - Left ZipperEN TestedPassive CollarHood Draw CordInsulated Draft TubeStuff and Storage Sack IncludedZipper GuardsMarmot Helium MemBrain 15F 850 Down Sleeping Bag - Long Size - Left ZipperThe Marmot Helium MemBrain 15F 850 Down Sleeping Bag - Long Size - Left Zipper lets you sleep absolutely great, anywhere. Designed with Marmot MemBrain, Waterproof/Breathable Fabric for excellent weather resistance, and comfort, this bag has a classic trapezoidal foot box to allow you more foot room. The Nautilus 6-Baffle Hood has chambers of down around the head for a better fit, and the hood cord has been placed, in such a way, that it is very easy to access.� The Velcro-free face muff makes sure the drawcord, and zipper, stay away from your face. Stretch Tricot� baffles are provided to increase strength, durabilty, and make sure your� bag has a long lifetime of service. The Marmot Helium MemBrain 15F 850 Down Sleeping Bag - Long Size - Left Zipper, will keep you warm and toasty, during cold nights in the outdoors.