This pairing of a white crew-neck t-shirt and grey wool dress pants is a foolproof option when you need to look dapper in a flash. Complement your outfit with a pair of white and navy low top sneakers to avoid looking too formal. A look like this will make any 20-something gent look better than everyone else in the room.
As you can see, looking effortlessly neat doesn't take that much work. Just wear a white crew-neck t-shirt and black dress pants and be sure you'll look incredibly stylish. Add a pair of white and navy low top sneakers to the equation to effortlessly kick up the street cred of your outfit. If you're in your late 20s, take cues from outfits like this to add more seriousness to your personal style.