An Important Rule Often Neglected 26

A Code of Practice For Muslims in the West : Women's issues » General Rules
Fatawa of Ayatullah al Uzama Syed Ali al-Husaini Seestani


450: It is not permissible for a woman to expose the top part of her feet to a non-mahram onlooker. However, she is allowed to keep her feet —top as well as sole— exposed during salat, if she is in a place where she is immune from the looks of a non-mahram person.