Sunan Abi Dawud

Narrated AbuMusa al-Ash'ari: Negus presented to the Messenger of Allah (ﷺ) two black and simple socks. He put them on; then he performed ablution and wiped over them. Musaddad reported this tradition from Dulham b. Salih. Abu Dawud said: This tradition has been narrated by the people of Basrah alone