If the setting allows a relaxed casual ensemble, you can always rely on a white crew-neck t-shirt and white cargo pants. Introduce brown suede low top sneakers to the equation and the whole look will come together quite nicely. This getup is a surefire option if you're on a mission for a great, summer-friendly getup. Perfect to tell the world that even as a gent in his twenties you're confident enough to own your fashion choices.