For an off-duty outfit, team a charcoal print crew-neck t-shirt with olive chinos — these pieces go pretty good together. Finishing with white leather high top sneakers is a fail-safe way to inject a laid-back feel into your outfit. There are a ton of ways to look cool and survive the super hot weather, and this here is one of them. If you're not sure how to dress as a 20-something guy, this combination is a foolproof option.