Reference: Fataawa wa Rasaa.il Mukhtaarah p557-558
Question: Is it permissible for a woman to uncover her hair, neck and arms in front of her mahrams - such as her father and her brother?
Response: Yes, it is permissible for a woman to have them - and that which is similar - uncovered in the presence of her mahrams.
And Allaah [alone] has the Complete knowledge [of all affairs].
