Satin.
Intended to be open up the center and lined. Design in faux embroidery on the collar taken from a 15th century design drawing. Spoonflower has changed their site so that you can no longer view multiple yards of fabric. So none of my caftans or other 2-3 yard designs will be fully visible. Message me for more info; or go to turkuguide.com/CloudCollar.htm for more details.