French term. Originally light and fine wool fabric, intended for the exclusive use of the pope. Currently she is in a fabric of canvas armor, very compact, finest and light, characterized by the finest warp of the plot. Although made with different threads, silk, silk-cotton, wool, silk-wool. Artificial fibres, etc., the most popular and well-known one is in mercerized cotton, made with twisted warp yarns and with a higher title than the wefts. The warp reduction is at least double the texture, so you get a fabric that resembles a reps. Finds wide use in shirts and lingerie.