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pj, ..we are of a like mind on this subject; and I was truly shocked to hear you prefer it to a WM. Says something about the MB design and features. It seems there are more MB users here than I thought.. I'll ease off touting them so much (well, for a day at least).
Your idea about a double bag with a down inner and a synthetic outer such as the MB Super Stretch BurrowBag (SSBB) is an option I keep available for a multi day "wet" trip (although I have not done one of those since my military service ended.)
Before I knew of MB, I ordered Snugpaks, and due to a fortuitous shipping error, I now own three types of Snugpak synthetic bags (low of 2'c, 0'c, and -10'C). The latter two are stretch-baffled, so those 2 could accomodate an inner bag with plenty of room to spare. Along with my 2 MBSS's this gives me several combinations (or is it 'permutations' pj?) to choose from. Idealy the combo should be 'dialed in' so water vapor cools to the dew point in the outer bag, as you described. So, interestingly, you would not want TOO much down inner (early condensation), nor too little (heat loss). And continuing the thought of improved safety from my previous post, two people, one carrying a down bag, one carrying a synthetic, have more options for handling certain climactic changes. ---------- Roger, that is a great idea I'm going to steal from you with your permission; in warmer weather especially, I could open up both bags (of any fill permutation), and put one on the bottom, one on the top. If Im going to be overheating Id rather have a synthetic bag under me. ---------- Hmm.. I see since I've been posting a lot these last two days, my BPLRank has gone up about half a 'pj'! Outstanding.
Edited by Brett1234 on 11/28/2006 03:47:45 MST.
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