One-track mind

I have a one-track mind. Perhaps there are other tracks, but they are blocked or clogged or temporarily unavailable. So all I can think about right now is whether the best way to stay warm is layers or my god-awful heap of a down overcoat. I've never done layers, but I can't quite face dragging around Denmark in what looks like a big black housecoat. A frigid country 4,000 miles away from my home closet seems like a poor place to experiment ... but I think I will ...