Sahih al-Bukhari 5839
صحيح البخاري#5839SahihNarrated Anas:The Prophet (ﷺ) allowed Az-Zubair and `Abdur-Rahman to wear silk because they were suffering from an itch
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: 77:56