It is narrated from Sayyiduna al-Mughirah bin Shu'bah (may Allah be pleased with him) that he was with the Prophet (peace and blessings be upon him) on a journey, and he (peace and blessings be upon him) performed ablution and wiped over his leather socks.
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 18100