[Machine] She asked Umm Salamah, the Prophet's wife, what clothes a woman should pray in. Umm Salamah said that she should wear a khimar (head covering) and a long, loose-fitting garment that covers her feet, as well as her back.
أَنَّهَا سَأَلَتْ أُمَّ سَلَمَةَ زَوْجَ النَّبِيِّ ﷺ مَاذَا تُصَلِّي فِيهِ الْمَرْأَةُ مِنَ الثِّيَابِ؟ فَقَالَتْ فِي الْخِمَارِ وَالدِّرْعِ السَّابِغِ الَّذِي يُغَيِّبُ ظُهُورَ قَدَمَيْهَا وَكَذَلِكَ
Yahya related to me from Malik from Muhammad ibn Zayd ibn Qunfudh that his mother asked Umm Salama, the wife of the Prophet ﷺ "What clothes can a woman wear in prayer?" She said, "She can pray in a shift that reaches down and covers the top of her feet."
أَنَّهَا سَأَلَتْ أُمَّ سَلَمَةَ زَوْجَ النَّبِيِّ ﷺ مَاذَا تُصَلِّي فِيهِ الْمَرْأَةُ مِنَ الثِّيَابِ فَقَالَتْ تُصَلِّي فِي الْخِمَارِ وَالدِّرْعِ السَّابِغِ إِذَا غَيَّبَ ظُهُورَ قَدَمَيْهَا