A gilet is a sleeveless waistcoat or jacket that can be worn as an outer layer or under a coat. It is a versatile piece of clothing and can be dressed up or down depending on the occasion. Its popularity has resulted in many synonyms being used to describe it, including vest, body warmer, sleeveless jacket, puffer vest, quilted vest, and down vest. These synonyms offer a variety of styles and fits, whether it be a more casual look or a sophisticated layering piece. Ultimately, the gilet remains a staple in many wardrobes due to its practicality and versatility.