Lucky is right.
It's almost like they were trying to die or something.
I don't buy into the idea of carrying 60 pounds of crap on my back on a day hike, but going out in the cold and snow in shorts? No water at all?
And a 400 pound guy is going to walk on snow where he is able to sink up to his shoulders and he is too stubborn to just go back to the cave?
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Warning - I am not an expert on anything having to do with this forum, but that won't stop me from saying what I think.

Bob