Opera hat Opera hat An opera hat, also called a chapeau claque or gibus, is a top hat variant that is collapsible through a spring system, originally intended for less spacious venues, such as theatre and opera visits. Typically made of satin in black colour, its advantage is that it folds vertically through a push or a snap on the top of the hat, in order to be conveniently stored in a wardrobe or under the seat. Invertably, it opens in the same one moment fashion by an easy push from underneath. Its French name "chapeau claque" is a composition of "chapeau",
Top hat silk top hat in England is credited to George Dunnage, a hatter from Middlesex, in 1793. The invention of the top hat is often erroneously credited to a haberdasher named John Hetherington. Within 30 years top hats had become popular with all social classes, with even workmen wearing them. At that time those worn by members of the upper classes were usually made of felted beaver fur; the generic name "stuff hat" was applied to hats made from various non-fur felts. The hats became part of the uniforms worn by policemen and postmen (to give them the appearance of authority);