Well, these 1920s British guys look great from the waist up.
Below you see Plus Fours, so named because they are four inches longer than knickerbockers. We have Edward, Prince of Wales (later Edward VIII, famous for abdicating the throne for Wallis Simpson) to thank for introducing this fashion to the U.S. These were especially popular with golfers.
It's good etiquette to share what you like!