How To Put Measures Together to Weatherproof Food and Water in Winter
In those articles, I stressed the importance of a thermos during the winter to carry (at a bare minimum) hot water. I recommend the water over coffee for several reasons. First, coffee is a diuretic, and this means that an excessive amount will cause you to lose water through urination. If you drink as much coffee as I do, it is not so much an issue there, as your body will compensate with the increased intake. Secondly and more importantly, you can do more with a thermos of hot water than you can with coffee.
Hot water can be used for soup (think “Vitamin R,” as we called it in the Army or Ramen), and if you are the way I am…you can pack either a jar or a Tupperware container with instant coffee. The hot water is invaluable to restore your core temperature if you need to do so. One thermos is good, and two is even better. Be sure to insulate your thermos, at a bare minimum by wrapping a heavy blanket around it. I have two old sweatshirt sleeves, very thick. The wide part goes over the top and to the bottom, folded, and the other sleeve wide part over the bottom, and up to the top. Voila! Just this little measure extends the heating time/life of the thermos by about 4-6 hours. No, really: it works.
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