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. (TR)
App reference (TR): Book 8, Hadith 34 (TR)
USC-MSA web (English) reference: Book 8, Hadith 34 (TR)
Arabic reference (TR): Book 8, Hadith 323 (TR)