o prophet! command your wives and your daughters and the women of the muslims to cover their faces with a part of their cloaks this is closer to their being recognised and not being harassed and allah is oft forgiving most merciful. 
يا أيها النبي قل لأزواجك وبناتك ونساء المؤمنين يدنين عليهن من جلابيبهن ذلك أدنى أن يعرفن فلا يؤذين وكان الله غفورا رحيما