وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ إِسْحَاقَ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي طَلْحَةَ، أَنَّهُ قَالَ قَالَ أَنَسُ بْنُ مَالِكٍ رَأَيْتُ عُمَرَ بْنَ الْخَطَّابِ وَهُوَ يَوْمَئِذٍ أَمِيرُ الْمَدِينَةِ وَقَدْ رَقَعَ بَيْنَ كَتِفَيْهِ بِرُقَعٍ ثَلاَثٍ لَبَّدَ بَعْضَهَا فَوْقَ بَعْضٍ ‏.‏

Yahya related to me from Malik that Ishaq ibn Abdullah ibn AbiTalha said, "Anas ibn Malik said, 'I saw Umar ibn al-Khattab when hewas the amir of Madina. Three patches were sewn between his shoulders,one patched over the other.' '' Translation Not Available

Book Ref: Muwatta Imam Malik Book 48 Hadith 1673
Web Ref:  Muwatta Imam Malik Book 48 Hadith 19