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http://www.itinerantangler.com/podcasts/2006/07/article_breathing_underwater.html
"That's what any breathable fabric does: it acts as a one-way door for water vapor. Even better, it continues to work under water, so long as the exterior liquid is substantially cooler than the body temperature of the wearer. (When the water is 90 degrees, the "high pressure system" created by the angler can't push the vapor hard enough to counteract the resistance of the "low pressure system" outside.)" |
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