Isma'il bin Raja' narrates from his father, who said: I saw Sayyiduna al-Bara' bin Azib (may Allah be pleased with him); he urinated, then performed ablution and wiped over his socks and sandals, then he prayed.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1355