Sahih Muslim , Book 24, Hadith 5153 (USC-MSA) ⓘ
Abu 'Uthman reported: While we were with 'Utba b. Farqad there came a letter of 'Umar (containing the instructions) that Allah's Messenger had said: None should wear silk (with the exception of so much) but he will have nothing of it in the Hereafter. Abu 'Uthman said: To the extent of two fingers which are close to the thumb, and I was shown the (silk) borders of the Tayalisa mantle (which were about two fingers in breadth and I saw them.
وَحَدَّثَنَا ابْنُ أَبِي شَيْبَةَ، - وَهُوَ عُثْمَانُ - وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ الْحَنْظَلِيُّ كِلاَهُمَا عَنْ جَرِيرٍ، - وَاللَّفْظُ لإِسْحَاقَ - أَخْبَرَنَا جَرِيرٌ، عَنْ سُلَيْمَانَ التَّيْمِيِّ، عَنْ أَبِي عُثْمَانَ، قَالَ كُنَّا مَعَ عُتْبَةَ بْنِ فَرْقَدٍ فَجَاءَنَا كِتَابُ عُمَرَ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ يَلْبَسُ الْحَرِيرَ إِلاَّ مَنْ لَيْسَ لَهُ مِنْهُ شَىْءٌ فِي الآخِرَةِ إِلاَّ هَكَذَا " . وَقَالَ أَبُو عُثْمَانَ بِإِصْبَعَيْهِ اللَّتَيْنِ تَلِيَانِ الإِبْهَامَ . فَرُئِيتُهُمَا أَزْرَارَ الطَّيَالِسَةِ حِينَ رَأَيْتُ الطَّيَالِسَةَ .
also referenced under: Book 37, Hadith 28 (In-Book) & Hadith 2069 (Reference)
The previous hadith is narrated likewise through another chain of transmitters.
حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الأَعْلَى، حَدَّثَنَا الْمُعْتَمِرُ، عَنْ أَبِيهِ، حَدَّثَنَا أَبُو عُثْمَانَ، قَالَ كُنَّا مَعَ عُتْبَةَ بْنِ فَرْقَدٍ بِمِثْلِ حَدِيثِ جَرِيرٍ .
also referenced under: Book 37, Hadith 29 (In-Book) & Hadith 2069 (Reference)