This combo of a blue dress shirt and beige dress pants is a life saver when you need to look like a perfect gentleman. Want to tone it down with shoes? Throw a pair of dark brown leather monks into the mix for the day. Keep this outfit ready to go when spring comes, and we guarantee you'll save a ton of time trying to pick out what to wear on more than one occasion. And if we're talking dressing ideas for guys over 30, this outfit is ideal.