Frock coats were popular for formal, but not overly formal occasions. The frock coat features a full, skirt-like bottom. By the end of the century, frock coats were typically worn by older men in professional settings.
Man's frock suit, ca. Man's three piece wool suit consists of a black wool double breasted frock coat, trousers and a contrasting brocade vest. Gimse, a Minneapolis, Minn. ID Number: Minnesota Historical Society