If you have the good fortune of living in a place that is relatively sunny year round like So Cal, then you have the delight of being able to wear shorts....and not just to work out.
I like to go with a well fitted pair of shorts like the ones shown above...anything significantly wider than your legs (like baggy board shorts) tends to produce a weird proportion.
Then, I like to contrast casual shorts with something a little more formal like a button up shirt and a pair of loafers.
There it is!
Short, simple, and perfect for a day of sun.