It is narrated from Sayyiduna Khuzaymah bin Thabit (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "The traveller should wipe over his leather socks for three days, and for the resident it is one day and one night."
Hadith Referenceالمعجم الكبير للطبراني / باب الخاء / 3772