It is narrated from Sayyiduna Khuzaymah bin Thabit (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Wiping over the leather socks (khuffs) is three days for the traveller, and one day and one night for the resident."
Hadith Referenceالمعجم الكبير للطبراني / باب الخاء / 3737