I cut out a -15 deg. bag, which has synthetic insulation, probably Climashield. The bag zips almost all the way to the bottom, a very big plus for this kind of modification. It is very thick. I just cut a line about 8" long through the center of each end, but along the bottom layer, so the bottom stayed up tight against the hammock, not gapping down with an air space.Next I held the layers together with one hand, and sewed them together all the way around. I wrapped that cut out with 1 1/2 grossgrain, and went around the hole with that. Lastly, I added a 12" sleeve of nylon rip stop to the thickness grossgrain, with a channel for a draw chord to close it up around the hammock suspension. I have a wimpy Kenmore sewing machine, but, it handled the thickness well. I'm too lazy to pin all that, and it didn't seem to matter. Yes, there are pictures.
I suspect though that in temperatures below 20 degrees, the 'channel' chamber at each end will need to be filled with extra clothing items to keep the cold from creeping in. I have not tried this yet since making it, but will try when it gets cold enough up here. By the way, I'm using this with a GT UL. But, with a -15 Eureka Eagle Point bag ($70), it has to be pretty cold weather to sleep out in. It's synthetic, and, will only compress to about as big as an oil drum, so, is only used in sled packing situations. I didn't pay much for the bag, so, it was easy to sacrifice. It seems like it would be interesting to sleep with my face actually out into the cold. Will it be comfortable? Have to wait and see. But, I wouldn't sacrifice a down bag for something like this.
Never more than one man left behind, so far !
Last edited by psyculman; 11-18-2011 at 14:22..
Reason: additional information