I have a waxed canvas day pack that has lasted for years...its crazy tough, but quite heavy...and in driving rain will eventually get wet in some area where the wax is faded/weak like right near the straps.


I've recently seen NF come out with the "TreeHugger" pack and it appears to also be made of canvas...

the real issue is yes there are envrionmentaly friendly natural fibers, yet not combined with technology and low weight

what about using Tyvek as a shelter? not sure how natural it is, but it may feel better to you as you mentioned the feel on your skin is a factor
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I do it because I can...it also helps that you are not there...