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
Femme au Chapeau (lower right). The work—executed in a style consistent with other works by Metzinger created between 1905 and 1907, such as "Two Nudes in an Exotic Landscape"—is a portrait of an elegant women gazing self-assuredly directly at the spectator, wearing a fashionable wide-brimmed hat with a large green-bleu bow tied in a simple knot. Metzinger's use of color in "Femme au Chapeau" is very closely related to the works of artist directly in his entourage known as the Fauves; quasi-pure greens, blues and violets, juxtaposed in groups far from randomly. However, the composition contains a variety of geometrized shapes, including the