Putting together a white crew-neck sweater and dress pants is a guaranteed way to infuse your current styling repertoire with some masculine elegance. If you're clueless about how to finish off, a pair of black leather derby shoes is a wonderful pick. So when summer is fading away and autumn is setting in, you'll find this getup to be your everything. This pairing illustrates how 20-year-old gentlemen slay in the style department.