Yahya related to me from Malik from Rabia ibn Abi Abd ar-Rahmanthat Muhammad ibn Amr ibn Hazm used to pray in a single long shirt. (JA)
App reference (JA): Book 8, Hadith 34 (JA)
USC-MSA web (English) reference: Book 8, Hadith 34 (JA)
Arabic reference (JA): Book 8, Hadith 323 (JA)