This pairing of a black sweater vest and olive chinos is a must-try effortlessly sleek outfit for today's gent. Our favorite of a myriad of ways to complete this outfit is with mustard canvas low top sneakers. Keep this outfit in your front hall closet come warmer weather, and we promise you'll save a lot of time getting dressed on more than one morning. This pairing shows that dressing cool as a 20-year-old guy is not that daunting a task.