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cdestroyer
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cdestroyer
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PostTue Feb 21, 2017 6:46 pm 
anybody try those 35 deg socks advertised on tv?

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reststep
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reststep
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PostTue Feb 21, 2017 7:05 pm 
I have not tried them but I wonder how they would work for keeping my feet warm when I am camped out.

"The mountains are calling and I must go." - John Muir
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InFlight
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InFlight
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PostWed Feb 22, 2017 12:39 pm 
This is probably a better question for the "North Dakota Hikers Forum", since we fortunately don't have too many -35 degree days here! These apparently have some aluminum thread woven into them that's suppose to "reflect heat" back to your body. There are three forms of heat transfer - Conduction, Convection, and Radiation. Aluminum is useful in reducing radiation heat transfer as it's both a poor absorber and poor radiator. (Same reason most emergency space blankets are made of aluminum foil.) On the other hand Aluminum is an extremely good thermal conductor ~5000 times better compared to wool. If you looked at the extreme case of an all aluminum sock, you would pretty much stop most Radiation heat transfer, but they would be very cold due to the high conductive heat transfer. I expect some good thick wool socks would perform as well, and be far more comfortable.

“I went to the woods because I wished to live deliberately...” ― Henry David Thoreau
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