In British English, a sweater may also be called a pullover, jumper or jersey. In the United States however, "jumper" refers to a style of women's sleeveless dress, worn over a blouse or shirt, and "jersey" refers to a knit shirt, especially if part of an
An advertisement from 1923, shortly after the sleeveless dress became popular, one of the first ads in a widespread campaign to convince women they needed to shave their armpits.
