A brown long sleeve shirt and navy jeans are the kind of a foolproof off-duty look that you so terribly need when you have zero time. On the shoe front, go for something on the dressier end of the spectrum by finishing with brown suede loafers. It's a savvy idea if you're putting together a standout look for summer-to-fall weather. When it comes to casual style tips for men over 30, this ensemble looks great on almost any gentleman.