The Probert Encyclopaedia of Costume

CAFTAN

A Caftan (Kaftan) is a long garment with long sleeves and tied at the waist by a girdle, worn under a coat in the Middle East. The term has also come to describe a long, full, usually collarless robe with wide sleeves that is worn at home for lounging or on the beach as a cover-up.
Research Caftan