I looked it at like this way. To get folks to like you, as a screen player I mean, I figured you had to sort of be their ideal. I don't mean a handsome knight riding a white horse, but a fella who answered the description of a right guy.
Somehow Gary Cooper appeared as comfortable in a tuxedo as he did in leather and spurs. Two 'sophisticated' examples are Deign for Living, 1933 with Miriam Hopkins and Bluebeard's Eighth Wife, 1938 with Claudette Colbert.