It is narrated from Sayyiduna Safwan bin Assal (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said about wiping: "For the traveller, (wiping) over the leather socks is three days and nights, and for the resident a day and a night."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7350