Top hat top hat is a hard, black silk hat, with fur now often used. The acceptable colors of hats are much as they have traditionally been, with "white" hats (which are actually grey), a daytime racing color, worn at the less formal occasions demanding a top hat, such as Royal Ascot, or with a morning suit. In the U.S. top hats are worn widely in coaching, a driven horse discipline as well as for formal riding to hounds. The collapsible silk opera hat, or "crush hat", is still worn on occasions, and black in color if worn with evening wear as
Top hat Eton College has long abandoned the top hat as part of its uniform, top hats are still worn by "Monitors" at Harrow School with their Sunday dress uniform. They are worn by male members of the British Royal Family on State occasions as an alternative to military uniform, for instance, in the Carriage Procession at the Diamond Jubilee in 2012. Top hats may also be worn at some horse racing meetings, notably The Derby and Royal Ascot. Top hats are worn at the Tynwald Day ceremony and a few other formal occasions in the Isle of Man. The modern standard