Musannaf Ibn Abi Shayba 1:1909

1909. 'A'idh ibn Habib narrated to us, from Talha ibn Yahya, from Aban ibn Uthman, who said: I asked Sa'd ibn Abi Waqqas about wiping over the leather socks (khuffayn). He said: "Yes, three days and their nights for the traveler, and a day and a night for the resident."