Why not wear a long sleeve shirt with khaki chinos? As well as very practical, both of these pieces look great teamed together. A trendy pair of brown leather sandals is the simplest way to give an element of stylish casualness to your ensemble. Undoubtedly, it's easier to work through a boiling hot summer afternoon in a summery look like this one. Think gentlemen in their fifties can't pull off modern off-duty looks? This combo should prove you otherwise.