A necktie is a long piece of cloth worn around the neck, typically under the collar of a shirt. It is often made from materials like silk, polyester, or cotton and comes in various colors and patterns. Neckties are commonly associated with formal or business attire, adding a touch of elegance to an outfit. The necktie is usually secured with a knot, with several styles available, such as the Windsor knot or Four-in-Hand knot. It is often worn during special occasions, such as weddings or corporate events, and is considered a symbol of professionalism and style in many cultures.