Opera hat characteristic snapping sound heard upon opening a gibus suggested a third name, the "chapeau claque", "claque" being the French word for "slap". 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
Eugénie hat popular in the 1850s and 1860s, when it was also known as the empress hat. It was characterised by its forward tilt and featured feathers and ribbons. Typically it was made of velvet or felt. Mary Brooks Picken noted that the hat was generally small in its original incarnation, often with the brim turned up on one or both sides, with what were generally ostrich feathers as a trim. It would normally be tilted towards the right. Originally, the hat was worn for horseriding and travelling. The design began in Paris but became known in Britain. It was described in