TUX is an acronym that stands for “The Ultimate eXperience”. It refers to a formal men's suit, typically made from black or dark blue fabric and consisting of a jacket, trousers, shirt, tie, and sometimes other accessories such as a waistcoat. Tuxedos are traditionally worn at weddings, proms, galas, and other special events where formal attire is required. The term "tux" can also refer to any type of formal wear for women or men, including gowns, dresses, or suits in similar styles.