Sahih al-Bukhari 5833
صحيح البخاري#5833SahihNarrated Thabit:I heard Ibn Az-Zubair delivering a sermon, saying, "Muhammad said, 'Whoever wears silk in this world, shall 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:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 77:50