Rock a navy suit with a grey shirt to pull together a proper and sophisticated ensemble. As for the shoes, you could go down a classier route with black leather derby shoes.
Navy Suit with Grey Shirt Smart Casual Outfits
For a surefire classic and casual option, you can never go wrong with this combo of a navy suit and a grey shirt. A pair of navy suede loafers immediately bumps up the classy factor of any ensemble.