So, go ahead, and embrace the unexpected charm of the casual bow tie, it’s easier than you think. When you’re aiming for a classic denim look, a bow tie can add an unexpected yet stylish twist. You ...

That goes for casual attire too ... according to Brown and Sabatino. "Black-tie optional means that you can wear a tux or a gown, but you won't be underdressed if you wear a formal cocktail ...