Originally Posted by
bragi
If it's cold, you're better off with a breathable thin wool or polypro cap beneath the helmet.
Ding ding ding! We have a winner.
I use a thin merino neck gaiter. It was a little tight, so I figured I'd wear it like a hat for a few days to stretch it out. I think that was three years ago, and I'm still wearing it like a hat, because it's the perfect hat for cycling.