Perhaps a purple Kufi???? (traditional Muslem hat)
http://www.wilsdom.com/store/page32.html
http://cgi.ebay.ca/PURPLE-CROCHET-KNIT-CAP-NEW-skull-kufi-beanie-rasta-hat_W0QQitemZ110113266845QQihZ001QQcategoryZ45232QQrdZ1QQcmdZViewItem
Chinese national on student visa? muzzie?