This was brought up in my build thread (found here) about using synthetic filling instead down, and since then I've been wrecking by brain on what I should do.
TL;DR: Water-resistant down or synthetic in 100% humid and rainy condition?
Ok, my situation:
- Going to Japan for three months, and saving some money by stealth camping (and while on a trail).
- Expect rain every day (not all day, in quick showers) and 90%+ humidity. No chance of soaking my equipment.
- Lowest temp expected: 60F. Probably around 70-80F most the time.
- Will be less than a few hours walk from civilization at all times (no thru-hiking, very rural city skipping).
- I sleep cold, as 65F starts to chill my feet and butt, but nothing I can't get over with socks and sitting on something.
So, I'm not in extreme danger of hypothermia, and I can certainly hit a dryer nearly every day if I have to. My question is: Is down really that susceptible to humidity, and will I be in constant trouble with it?
I can see using synthetic for if I was day(s) walk from civilization and was in constant rainy conditions. But I'm not. I really like the compressibility and lightness of down since all I'll be bringing are thin quilts anyways.
Then comes water-resistant down. After some research, I've found it does seem to help against humidity, but isn't as fool-proof as the down companies would like us to believe with their examples. If I go this route, could I still be fine with my quilts? I could let them air out underneath the tarp before I sleep, and throw them in a dryer when I clean my clothing every couple days.
From there, I also understand that fabric can be a deciding factor. I've heard that Dutchwear Argon 67+90 might not be as water-resistant as appose to other lightweight fabrics--but the price is right at the moment since they both are on sale, and have been cheaper than most like M90 and others. Would fabric make a difference with humidity, or just solid water on the fabric?
And... underquilt covers? Hmm...
See my dilemma? Anyone have any experience with down in humid climates? Should I stop worrying like a ninny and start sewing?
Thanks in advance!
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