Sahih Muslim, Chapter: Purification (Kitab Al-Taharah)

Jarir urinated, then performed ablution and wiped over the socks. It was said to him: Do you do like this? He said: Yes, I saw that the Messenger of Allah (may peace be upon him) urinated, then performed ablution and then wiped over his shoes. A'mash said: Ibrahim had observed that this hadith was a surprise for them (the people) because Jarir had embraced Islam after the revelation of Surat al-Ma'ida.