So as you can see, it doesn't require that much effort for a man to look casually neat. Just pair a grey wool blazer with beige chinos and be sure you'll look awesome. Here's how to bring an air of sophistication to this ensemble: dark brown leather loafers. Keep the autumn blues away in an on-trend ensemble like this one. This outfit is most probably exactly what you've been looking for as a gent in his 40s.