The women here are all wearing the traditional garments of the Roman women. Their tunics length is down to the elbow, women weren't allowed to show their full arm. Over their tunics they wore their Palla and most of the women in the image are married because they are wearing a Stole. A Stole is like a chiton with various ruffles and usually had a metal brooch.
Ancient Hebrew Clothing - Not exactly what I would wear, but it's a descent enough start as far as robes go. The web article provides some insight on how the early Hebrews/Israelites dressed in terms of male and female, society (social status), as well as modesty. | (Personally I think everyone should be a little modest about how they dress, especially women nowadays.)