She mentioned women's hems to the Messenger of Allah said: "Let it down a hand span." Umm Salamah said: "But that will uncover (her feet)." He said: "Let it down a forearm's length, but no more than that."
Sunan an-Nasa'i Book 48, Hadith 298
← Previous Hadith "The Messenger of Allah said: 'Whoever drags his garment out of pride, Allah will not look at him.' Umm Salamah said: 'O Messenger of Allah, what should women do with their hems?' He said: 'Let it down a hand span.' She said: 'But then their feet will show.' He said: 'Let it down a forearm's length, but no more than that.'"

Sunan an-Nasa'i Book 48, Hadith 297 Next Hadith → When the Prophet said what he said about the Izar, Umm Salamah said: "What about women?" He said: "Let it down a hand span." She said: "But then their feet will show." He said: "Then (let it down) a forearm's length, but no more than that."

Sunan an-Nasa'i Book 48, Hadith 299