"I saw the Messenger of Allah performing ablution, wearing a Qatari turban. He put his hand beneath the turban and wiped the front part of his head, and he did not take the turban off."
Sunan Ibn Majah Book 1, Hadith 298
← Previous Hadith "I was with Salman, and he saw a man removing his leather socks for ablution. Salman said to him" 'Wipe over your leather socks and your head cover, and your forehead, for I saw the Messenger of Allah wiping over his leather socks and head cover.'"

Sunan Ibn Majah Book 1, Hadith 297 Next Hadith → "Aishah dropped a necklace and stayed behind to look for it. Abu Bakr went to 'Aishah and got angry with her for keeping the people waiting. Then Allah revealed the concession allowing dry ablution, so we wiped our arms up to the shoulders. Abu Bakr went to 'Aishah and said: 'I did not know that you are blessed.'"

Sunan Ibn Majah Book 1, Hadith 299