Go for a pared down but at the same time cool and relaxed option teaming a white crew-neck t-shirt and olive chinos. Introduce a pair of black leather low top sneakers to the equation and you're all set looking boss. As we all know, the key to getting through the hottest time of year is choosing breezy getups like this one. This combination is a practical illustration over-40 guys can very well kill in the fashion department.