[pct-l] cuben fiber....WARNING

[Reinhold Metzger]

Yes,
Because cuben fiber is  non breathable, if used to construct a shelter 
or sleeping bag make sure there is sufficient ventilation.
Some years ago a hiker died in his sleep on top of Mount Langley in a 
non breathable sleeping bag zipped closed all the way without sufficient 
ventilation.
I guess that is why sleeping bags, if made from non breathable material, 
do not zip up all the way anymore.

JMT Reinhold
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Paul wrote:
/but as i understand it is non breathable. think emergency blanket
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Miner wrote:
/It doesn't breath, which is why its very waterproof and works well for 
things like Tarps. Some people have been experimenting with it as 
raingear due to its weight, but the lack of breathability makes this an 
iffy proposition. For shelters, it doesn't sag when wet and doesn't 
really stretch under loading like silnylon.