Gap is an American fashion casual clothing brand, founded in San Francisco in 1969 by Donald Fisher and Doris Fisher. The brand culture is "bold, simple and authentic", which aims to bring people a kind of leisure temperament, so that the unfettered American youth can fully enjoy the natural and comfortable life. After decades of development, Gap's product line has covered women's clothing, men's clothing, children's clothing, maternity clothing, baby clothing and various accessories, becoming a large multinational company.