"Warm and roomy, takes space and heavy." - Review of Marmot CWM EQ Sleeping Bag: -40 Degree Down

I used it a couple of times this winter mostly below 0F. Tried it at Longs Peak Boulder field with Bibler Tripod bivy and The North Face Himalayan Jacket and no sleeping pad (wind took care of that one)... I am not sure about the wind chill outside it was below 0F in the bivy. I would not need the Jacket if I had the sleeping pad. Sleeping bag is roomy and very warm... The only problem is the stuffing sack (which I did not even try). I got an x-large OR compression sack. Even that one needs some work... I also have a Helium. I think The North Face Himalayan jacket and helium is the light-weight alternative for me.
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