Famous actresses of the time soon adopted this style from the men’s closet.
Because of its external severity, which is nothing superfluous, the trench coat in the cinema is able to give the heroine a certain character. This technique we see particularly clearly in the earliest films.
But even in our time, strong associations with the inspectors-detectives in hats and raincoats from the old black and white films. Often in modern movies trench coats appear on agents, spies and other mysterious personalities.