Young Brunette Girl Outside In The Black Coat

Coats, jackets and overcoats
In the early nineteenth century, coats were divided into under-coats and overcoats. The term under-coat is now archaic but denoted the fact that the expression coat could be both the outermost layer for outdoor wear (overcoat) or the coat worn under that (under-coat). However, the term coat is increasingly beginning to denote just the overcoat rather than the under-coat. The older usage of the word coat can still be found in the expression "to wear a coat and tie", which does not mean that wearer has on an overcoat. Nor do the terms tailcoat or morning coat denote types of overcoat. Indeed, an overcoat may be worn over the top of a tailcoat. In tailoring circles, the tailor who makes all types of coats is called a coat maker. Similarly, in American English, the term sports coat is used to denote a type of jacket not worn as outerwear (overcoat) (sports jacket in British English).
The term jacket is a traditional term usually used to refer to a specific type of short under-coat. Typical modern jackets extend only to the upper thigh in length, whereas older coats such as tailcoats are usually of knee length. The modern jacket worn with a suit is traditionally called a lounge coat (or a lounge jacket) in British English and a sack coat in American English. The American English term is rarely used today. Traditionally, all men dressed in a coat and tie, although this has become gradually less widespread since around the 1960s. Because the basic pattern for the stroller (black jacket worn with striped trousers in British English) and dinner jacket (tuxedo in American English) are the same as lounge coats, tailors traditionally call both of these special types of jackets a coat.