I searched the internet for better reference pictures for Marion's Cairo outfit, but couldn't find any. So I decided to take some myself.
The back of her shirt has a few embroidered dots.
This gives a pretty good close up of the embroidery on the sleeve.
Believe it or not, this is almost the only scene where you see Marion's entire body!
Unfortunately there were no scene's with a good view of her shoes. But they look like simple red wedges.