A kaftan or caftan (/ˈkæftæn/; Persian: خفتان‎ khaftān) is a variant of the robe or tunic, and has been worn in a number of cultures around the world for thousands of years and is of Asiatic origin. In Russian usage, kaftan instead refers to a style of men's long suit with tight sleeves. Used by many West and Southwest Asian ethnic groups, the kaftan is ancient Mesopotamian (modern day Iraq) in origin. It may be made of wool, cashmere, silk, or cotton, and may be worn with a sash. Popular during the time of the Ottoman Empire, detailed and elaborately designed garments were given to ambassadors and other important guests at the Topkapi Palace. Variations of the kaftan were inherited by cultures throughout Asia and were worn by individuals in Russia (North Asia, Eastern Europe and formerly