It is narrated from Abu Ya'fur al-Abdi that he saw Sayyiduna Anas bin Malik (may Allah be pleased with him) in the house of Amr bin Hurayth; he called for water, performed ablution and wiped over his leather socks.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1302