Sunan an-Nasa'i 5304
سنن النسائي#5304SahihAbdullah 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
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 48:265