Marmot 0°F Never Summer Down Sleeping Bag - 600 Fill Power

Weight to warmth ratio is awesome. I put this bag in a Gore tex bivy and it can sleep literally anywhere. Sleeping pad goes inside bivy and under bag for a very warm sleep. I use the dual layer Big Agnes for a mummy and there are no cool spots. With the discounts i received, this was the best price i have ever seen on this bag.

I have been wanting a good down sleeping bag for 25 years and finally treated myself. I can't say I have tons of experience with quality sleeping bags, but I do sleep outside a lot in all sorts of weather, and do know that comfort is compromised with a low-quality bag. I've slept in this bag twice now, once at -15 F, which I could only do for 4 hours before the cold started creeping in, and once at +15 F, in which this bag kept me very toasty. I am very pleased with it overall, it packs down very small, and is roomy enough to allow for different sleeping positions. The zipper functions well, and has a glow-in-the-dark pull, which seems like a nice little detail. In short, I may be easy to please, after years of sleeping in low-quality bags, but the fact remains that I am very pleased!

Just a great bag and cannot beat the price

This a great bag for the price. It warm, small and reasonably light weight. It's well constructed and smartly designed. Great for sleeping in the snow.

Used it once, good foot and body room, more comfortable than my old bag which was a North Face Cat's Meow.