For an ensemble that's street-style-worthy and effortlessly elegant, wear a waistcoat with khaki chinos. Don't know how to finish off? Introduce a pair of grey low top sneakers to your outfit for a more casual finish. So if it's an extremely hot day and you want to look stylish without putting in too much work, this ensemble will do the job in no time. This getup is most probably what you're looking for as a young man.