This ferace is attributed to Mevlana Celaleddin Rumi (1207-1273). The outer fabric is white moire silk.
Date: Indeterminate. Many of the garments attributed to Rumi are clearly post-13th century.
Source: Nurhan Atasoy. Derviş Çeyizi: Türkiye’de Tarikat Giyim-Kuşam Tarihi. T.C. Kültür Bakanlığı, 2000, p. 115