Howdy survivors one of my best tips is to always carry at lest one cooking pot, it holds 2 pet bottles worth of water for free at the lose of no inventory slots keep a gas stove in it for when your cold and shaking heat your pot up with your stove and put it bake in your pack this will warm you up and keep you going with out having to run around like a madman, if your wet and freezing add 4 rocks to it heat it up and put the rock around you body……I found that a raincoat works great with this system… on