Al-Kāfi
Hadith 1917عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ أَبِي عَبْدِ اللَّهِ عَنْ مُوسَى بْنِ الْقَاسِمِ عَنْ عَمْرِو بْنِ عُثْمَانَ عَنْ أَبِي جَمِيلَةَ عَنْ رَجُلٍ عَنْ أَبِي جَعْفَرٍ ( عليه السلام ) قَالَ إِنَّا مَعَاشِرَ آلِ مُحَمَّدٍ نَلْبَسُ الْخَزَّ وَ الْيُمْنَةَ .
6. A number of our people have narrated from Ahmad ibn abu ‘Abd Allah from Musa ibn al-Qasim from ‘Amr ibn ‘Uthman from abu Jamilah from a man who has said the following: “Abu Ja‘far (a.s.), has said, ‘We the community of the family of Muhammad wear al- Khazz (skin or fur of an animal that lives in water) and al-Yumnah (that which is made in Yemen).’”