Kebaya

A Kebaya is a traditional blouse-dress combination worn by women in Indonesia, Malaysia, Brunei, Burma, Singapore, southern Thailand. It is sometimes made from sheer material and usually worn with a sarong or batik kain panjang, or other traditional woven garment such as ikat, songket with a colorful motif.
The kebaya is the national costume of Indonesia, although it is more accurately endemic to Javanese, Sundanese and Balinese^[1] people.

Note  : [1]Jill Forshee, Culture and customs of Indonesia, Greenwood Publishing Group: 2006: ISBN 

              0313333394: 237 pages

Source: http://en.wikipedia.org/wiki/Kebaya