'Abdul-Muhaimin bin 'Abbas bin Sahl As-Sa'idi narrated from his father, from his grandfather:
"The Messenger of Allah wiped over his leather socks and he ordered us to wipe over the leather socks." (ES)
English reference (ES): Vol. 1, Book 1, Hadith 547 (ES)
Arabic reference (ES): Book 1, Hadith 590 (ES)