For men, the elements of black tie are: A white dress shirt A black bow tie An evening waistcoat or cummerbund A dinner jacket (called a tuxedo in the United States), of black or midnight blue wool, in which the jacket lapels and trouser braid are of silk or other contrasting material Black Oxford (without brogueing) dress shoes or patent leather pumps.
Women's dress for black tie occasions has varied greatly through the years; traditionally it was: Evening shoes Dinner (ankle) or tea (below mid-calf) length sleeveless evening gown, often accompanied by: A wrap or stole and Gloves Today ladies dress for black tie occasions covers a much wider level of formality ranging from just below the white tie standard to something more informal such as a little black dress. Specifically it can also include: Evening shoes and A ballgown, evening gown or cocktail dress. Cocktail dresses may be long or moderately short and needn't be black. In England, evening trousers with a palazzo cut are another acceptable option. Unlike the gentleman's standard, the specifics of black tie for ladies is linked to whatever evening wear is currently in fashion.