We can't get enough of our cable knit sweaters and buttoned up collars. The combo has become one of our winter uniforms. The buttoned up collar will have major staying power going into spring. Designers like Louis Vuitton, Celine, Proenza Shouler, and Chloe worked the buttoned up look on the spring runways. Just remember, to get the look right keep the collar small. Think: 1960's tiny collars, and if you have to ask yourself if the collar you're experimenting with is small enough, it probably isn't!