The men's sweater vest, sleeveless sweater, knitted waistcoat, and sleeveless jumper are some of the names for pullover and button-down style cardigans without sleeves. They were a staple in men's casual and semi-dressy wardrobe beginning in the 1910s, with especially heavy use in the 1930s and 1940s. When dressing in classic menswear or vintage style,