A sports coat is a type of JACKET that is typically worn as part of a more formal outfit. It is usually made of heavier fabrics than a suit JACKET and is often single-breasted with two or three buttons. The term 'sports coat' can also refer to a BLAZER, which is a type of JACKET that is usually made of lighter fabrics and has metal buttons. Blazers are often associated with a particular school or organization and are often worn as part of a uniform.