Key points are not available for this paper at this time.
The so-called Macedonian kausia was originally identical with a cap often called a chitrali still worn today by men in Afghanistan, Pakistan and, above all, in Nuristan. No kausia is mentioned in Greek literature before 325/24 B.C. No depiction of the cap can be securely dated earlier than that time. The kausia came to the Mediterranean as a campaign hat worn by Alexander and veterans of his campaigns in India. Descendants of the people from whom the cap was taken may well survive in Asia today.
Bonnie M. Kingsley (Thu,) studied this question.