Lady Umm Salamah, may Allah be pleased with her, the wife of the Noble Prophet, peace and blessings be upon him, said: The Noble Prophet, peace and blessings be upon him, was asked about the hems of women (i.e., how much should they hang down)? He said: "One span (longer)." Lady Umm Salamah, may Allah be pleased with her, said: O Messenger of Allah! Then their feet will become exposed while walking? He said: "Then let it hang down a forearm's length, no more than that."
Imam Darimi, may Allah have mercy on him, said: It is said that Nafi‘ narrated from Sulayman bin Yasar.