For Christmas, one of my sisters got me one of these for the barn:
|32º Degree Heat® Polyester Infinity Scarf in Black|
and now it is a staple in my barn wear. It is light and warm and keeps my ears from being cold (even if I don't actually cover them!). It is breathable, and since one side is slick, doesn't collect too much horse hair and washes up well.
|Scarf + three layers for a snappy evening|
And in a pinch - I can loop it up over my bun to keep my head warm!