وَجَمِيعُ بَدَنِ الْحُرَّةِ عَوْرَةٌ إِلَّا وَجْهَهَا وَكَفَّيْهَا وَقَدَمَيْهَا
The entire body of a free woman is Awrah in prayer except the face, both hands and both feet under the position stated here. The commentary says hanging hair is also Awrah on the sound position used for Fatwa.
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Covering the Awrah in Prayer: Male and Female Boundaries
وَجَمِيعُ بَدَنِ الْحُرَّةِ عَوْرَةٌ إِلَّا وَجْهَهَا وَكَفَّيْهَا وَقَدَمَيْهَا
The entire body of a free woman is Awrah in prayer except the face, both hands and both feet under the position stated here. The commentary says hanging hair is also Awrah on the sound position used for Fatwa.