Sorry, I'm not familiar with Muslim customs, is there anything that she cannot wear, point blank? What about the amount of modesty? If you can give any specifics, that'd help a lot with narrowing it down!
Upcoming Conventions: Katsucon, Anime Detour, Wizard World Minneapolis, C2E2
Ino Yamanaka- Naruto Stage Play Live
Maya the Siren- Borderlands