A waistcoat, also known as a vest in American English, is a sleeveless upper-body garment that is typically worn over a dress shirt and under a suit jacket or blazer. This classic piece of clothing is characterized by a tailored fit and a V-shaped neckline that buttons up the front. Waistcoats can be made from a variety of materials such as wool, tweed, silk, or cotton, and can feature a range of designs including solid colors, patterns, or textures. Waistcoats are versatile and can be styled in different ways to enhance a formal or casual look. They are commonly worn as part of a three-piece suit for formal occasions such as weddings, business meetings, or evening events, adding a touch of sophistication and elegance to the outfit. However, waistcoats can also be dressed down by pairing them with jeans or chinos for a more relaxed and stylish appearance. Whether you opt for a traditional tailored waistcoat or a more modern slim-fit style, this timeless garment adds a dapper and polished touch to any outfit, making it a versatile and essential piece in a gentleman's wardrobe.