This pairing of a navy duffle coat and brown dress pants is a fail-safe option when you need to look like a connoisseur of men's fashion. Let your styling chops really shine by complementing this look with a pair of dark brown suede derby shoes. Putting together a pulled together ensemble can be a bit challenging on its own. Enter cold temperatures into the equation, and the whole thing becomes even more difficult. No worries, this here is your wintry style inspiration. Ensembles like this go a long way towards maturing your style as a 30-something Millennial gentleman.