A kaftan or caftan ( قفطان qaftân) is a front-buttoned coat or overdress, usually reaching to the ankles, with long sleeves. It can be made of wool, cashmere, silk, or cotton, and may be worn with a sash. The caftan is of ancient Mesopotamian origin.It is a variant of the robe or tunic, versions of which have been worn by countless cultures around the world, for thousands of years. The kaftan is associated with Islamic or Islamicate cultures. Kaftans were often worn as court robes; the splendor and specific decorations of the kaftan indicated the rank of the wearer. Sovereigns often gave ornate kaftans as a mark of favor.