gilets
A gilet is a sleeveless jacket worn over a shirt or under a coat. In English, the garment is commonly called a waistcoat in British usage and a vest in American usage; in French it is gilet, with the plural gilets. Gilets can function as formal outerwear in ensembles with a suit, or as casual or practical layers in everyday wear.
Design and variations include formal waistcoats that are typically single- or double-breasted, with a front closure
Materials range from traditional wool, tweed, and cotton to silk or satin for dressier versions. Modern outerwear
History and usage: waistcoats originated in Europe in the 17th and 18th centuries as a key element