A blangkon or belangkon (Indonesian) is a traditional Javanese headdress worn by men and made of batik fabric.
Vintage Tribal Batik Shirt
The Javanese aristocrats R.A. Kartini in kebaya and her husband. Her skirt is of batik, with the parang pattern, which was for aristocrats. Her husband is wearing a blangkon.
Selamat Jalan, Bapak Mandela, in Batik, from Indonesia "where he is fondly remembered for helping to bring the nation's trademark colourful batik shirts to a global audience.