Caftan n. : A garment worn throughout the Levant, consisting of a long gown with sleeves reaching below the hands. It is generally fastened by a belt or sash.

Caftan v. t. : To clothe with a caftan.

Example:
Where can I buy a beautiful full length Caftan?

Taxonomy
kaftan, Moroccan kaftan, robe, Persian, free encyclopedia, colours, batik, silk, boubou, Istanbul, precious fabrics, Turkish, tight sleeves, cloak, Russian clothing, search, caftan, cotton.

Defination from the web:
caftan from Persian خفتان) is a man's cotton or silk cloak buttoned down the front, with full sleeves, reaching to ... The kaftans worn by the Ottoman sultans constitute one of the most splendid collections of Topkapı Palace in Istanbul. ...