Ubayd bin Jurayj narrates: I said to Ibn Umar (may Allah be pleased with them both): "I have seen you wearing these tanned leather sandals (with the hair removed)." He said: "I saw the Messenger of Allah (peace and blessings be upon him) wearing them and performing ablution in them."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13257