YOUR FEET ARE COLD AND WET.

Popular Mechanics (South Africa) - - SURVIVAL ISSUE -

Take off your shoes, put a plas­tic bag on each foot, and then put your feet back in your shoes, Ho­bel says. The plas­tic will cap­ture the heat your body gen­er­ates. Yes, your feet will still be wet. And yes, your feet will sweat in the plas­tic. But they’ll be warm.

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