All bohemians wear hats, especially during the winter months. In her book The Bohemian Manifesto, Laren Stover even includes a chapter on Bohemian Headgear in which she writes specifically about knit caps. Looking for your own winter cap? Check out these lovely knit tams from mojospastyle.
After you find the perfect knit cap, why not sit down and have a little cup of Christmas coco. Or you could get really fancy and stick a gingerbread house on the side of your mug: