Putting together a grey crew-neck sweater with charcoal dress pants is a savvy idea for a sharp and classy outfit. Introduce a pair of brown suede derby shoes to the equation and ta-da: the ensemble is complete. During the colder months, when comfort is prized, it can be easy to settle for a less-than-stylish outfit. But this outfit is a clear example that you can actually stay cozy and remain stylish during the colder months.