because it is an order from Allah to women to protect them from men assault
but covering the face is not required, yet some do it just as a tradition
Women wear a chador for modesty -- to hide their physical appearance from men in public.
Chador and Headscarf.
becasue
Yes. It is the law for women to wear the hijab in Iran. However, they use the Farsi word "chador" to refer to the garment.
makhela chador
makhela chador
CHADOR
Floor-length cloaks that cover everything butthe women's eyes
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Halalco in Falls Church, VA features an apparel section. N & Z Islamic Clothing in Richmond, VA should also provide you with a good selection of Islamic women's wear.
Muslim women in Islamist countries typically have to wear headcoverings, but not necessarily niqabs. Iranian women, for example, wear the chador which leaves the lower face (usually covered by the niqab) visible, even though it covers the hair and chest. Islamism is a political philosophy, not a religion. Islam is the religion, whose laws and beliefs Islamism seeks to establish as the base legal system in numerous countries.
It's a social requirement enforced in some patriarchal, especially Islamic, societies.
A chador (SHa-DOR) is worn over the head.