"When i joined the SCA and selected a Near Eastern persona, i looked for a culture, a time, and a place to focus my research. Many "Middle Easterners" were wearing big poofy "harem" pants and "coats" that buttoned in the front, with low cut necklines and sometimes tippets hanging from short sleeves, which were called Ghawazee coats (also spelled Ghawazi, and sometimes misspelled variously as Gahwazi, gawazee, gawahzee, etc.). I was told these were "Turkish" and i saw so many women dressed in variations of these, both locally and in SCA photos on the internet, that i figured someone had already done the research and Ottoman clothing was not an area crying out for more study.
So i researched other areas - North Africa, al-Andalus, Egypt, Persia... And while doing this research, i kept finding information about actual SCA-period Ottoman women's clothing that did not support what i was seeing. It became very clear that poofy "harem pants" and short, multiply-slit "Ghawazee coats" with their wide "windows of opportunity" were not based on anything that existed in SCA period. These garments are a combination of late 20th/early 21st century conventions rather than having any basis in SCA-period Ottoman clothing. Historically there is no such thing as a Ghawazee coat at any time period. And the garment so-called is based on misinterpretations of 19th c. illustrations of female dancers from the Ghawazee ethnic group, living in Cairo, and wearing the Ottoman entari. There's nothing particularly culturally Ghawazi about it."
Ottoman Clothing in SCA Period, http://www.scribd.com/doc/2900/Overview-of-Ottoman-Clothing-in-SCA-Periodhttp://home.earthlink.net/~al-qurtubiyya/kultur-intro.html
http://www.sca.org.au/collegewar/ottoman.html