Channel your inner expert in modern men's fashion and consider teaming a tan blazer with beige dress pants. A nice pair of brown suede oxford shoes pulls this outfit together. Combos like this have a sophisticated air that befit 40-year-old gentlemen really well.
Consider pairing a tan blazer with beige dress pants if you're going for a clean, trendy look. If you don't know how to finish off, a pair of dark brown leather tassel loafers is a goofproof option. An ensemble like this will help any over-40 guy upstage his younger pals.