According to this video from Today I Found Out, DC Comics editor Julius Schwartz said that it was because comic book artists modeled their superheroes after wrestlers and circus performers of the time, who wear short shorts over their tights.
According to this video from Today I Found Out, DC Comics editor Julius Schwartz said that it was because comic book artists modeled their superheroes after wrestlers and circus performers of the time, who wear short shorts over their tights.
