Chesterfields are a type of sofa and overcoat that have been around since the late 19th century. They are known for their distinctive style, which features deep button tufting, rolled arms, and a low back. The term Chesterfield is often used to refer to any type of sofa or overcoat with these characteristics, regardless of the manufacturer. The term is also used to describe a particular style of leather upholstery, which is characterized by its smooth, glossy finish.