If you're on the hunt for an off-duty and at the same time dapper outfit, consider teaming a charcoal crew-neck t-shirt with white chinos. On the footwear front, this outfit is rounded off really well with mustard canvas low top sneakers. This getup isn't a hard one to score and it's season-appropriate, which is most important when it's blazing hot outside. Ideal to portray that even as a 20-year-old guy you're confident enough to own your sartorial choices.