Sunan an-Nasa'i 5304
سنن النسائي#5304Sahihأَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ ثَابِتٍ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ الزُّبَيْرِ، وَهُوَ عَلَى الْمِنْبَرِ يَخْطُبُ وَيَقُولُ قَالَ مُحَمَّدٌ صلى الله عليه وسلم " مَنْ لَبِسَ الْحَرِيرَ فِي الدُّنْيَا فَلَنْ يَلْبَسَهُ فِي الآخِرَةِ " .
Abdullah bin Az-Zubair said, while he was on the Minbar delivering a Khutbah:"Muhammad [SAW] said: 'Whoever wears silk in this world, will not wear it in the Hereafter
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 48:265