Great question — answering as the UphillTech team:
Cold is easier to tackle than Hot; you can just add more layers. The most important thing is to keep dry ; buy/rent water and wind proof equipment. Prefer buying a lightweight coat under which you can add layers (t-shirt, long sleeve, sweater...) instead of a big bulky coat. You can also get boot covers that will protect the lower part of your pants if walking in the snow. Mittens vs. Gloves: Mittens are warmer (and cheaper) at the cost of a loss in dexterity. Mufflers ? don't know about that. Money belt, why not; not a big issue; just keep some loose change in easy to access pockets so you do not have to remove all your cloths to get to it. Food: Just eat what you are used to eat when you...
Full answer by Max: https://travel.stackexchange.com/a/83182 (CC BY-SA 3.0).
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