A heavy double-breasted overcoat is commonly referred to as a "pea coat" or "overcoat." These styles typically feature a thick fabric for warmth and a double-breasted front for added insulation and a classic look. Another term often used is "chesterfield coat," which is also double-breasted but has a more tailored appearance.
A pea jacket is a heavy double breasted overcoat formerly worn by sailors.
A heavy double breasted overcoat is called an ulster. They are usually made from materials such as herringbone or tweed. Lighter versions of this style coat are called an ulsterette.
Gabardine
The name for a Victorian overcoat is a "greatcoat." Typically made of heavy wool, greatcoats were designed to provide warmth and were often worn over a suit or other clothing. They featured a double-breasted design, wide lapels, and sometimes a cape or hood for added protection against the elements.
trench coat Heavy overcoat is an ULSTER
It is a Petersham overcoat.
A heavy Jacket or overcoat.
Ulster
Heavy Overcoat
Heavy Overcoat
Heavy Overcoat
a greatcoat