Interesting thread. Hunted with 2 different people over the years who had fairydown 20 below sleeping bags. They would wake up most mornings without fail with the outside of their bags wet, more so in colder weather.
Ive used several different makes of bags over the years and have only encountered this problem with a marmot lithium sleeping bag, heavy bag for winter use only... Although this bag has hardly been used, I dont use it anymore.
Currently using a mamot phase 20 plus macpac bags without any issues..
Have you contacted macpac to see if they can shed any information on what maybe the cause of it????
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