This pairing of a trenchcoat and a short sleeve shirt is a must-try effortlessly neat getup for any modern gentleman. For times when this ensemble is too much, tone it down by rocking a pair of white and blue canvas low top sneakers. So so as you can see, it's a killer, not to mention spring-friendly, combination to keep in your transitional closet. This is a stylish yet age-appropriate outfit for a 40-year-old gent.