For comfort without the need to sacrifice on fashion, we turn to this pairing of a tan crew-neck t-shirt and jeans. If you're wondering how to finish, a pair of white and green low top sneakers is a winning option. This outfit is a goofproof option if you're hunting for a great, summer-friendly outfit. If you're often not sure how to dress as a 20-year-old gentleman, this getup is a safe bet.