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Sea Kayaks Techniques Bulletin Board
Re: Cold weather wear
Posted By: Shawn Baker In Response To: Re: Cold weather wear (Martin Glader)
Date: Tuesday, 17 October 2000, at 11:44 a.m.
: A non breathing "dry suit" does not stay dry and
: therefore looses its insulation capability very quickly.That depends on how much you sweat.
Even with a GoreTex dry suit, your legs are stuffed inside a cockpit--once the relative humidity in the cockpit reaches 100%, the GoreTex stops breathing. Your torso is stuffed inside a sprayskirt tunnel and PFD--no breathing there. Only your arms, shoulders, and upper chest breathe while you're actually paddling.
Once on shore, though, when you're taking a pee/food/rest break, or stopping for the day to set up camp, the GoreTex would be at a definite advantage. You get out of the cockpit, take off the PFD and sprayskirt, and the whole suit breathes.
Still, a non-breathable drysuit isn't going to be damp enough to be dangerous. It might have varying degrees of discomfort for different individuals, but we're talking about ounces of warm water vapor, not gallons of cold water. It's not going to cause high degrees of thermal conductivity.
Are breathable drysuits better than non-breathable? Yes. Safer? Not necessarily. Worth the extra money? Yes--to most people.
Shawn




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