(91) باب الْحَرِيرِ فِي الْحَرْبِ
Narrated Anas:
The Prophet (ﷺ) allowed `Abdur-Rahman bin `Auf and Az-Zubair bin Al-`Awwam to wear silk.
Reference: Sahih al-Bukhari 2921
In-book reference: Book 56, Hadith 134
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 52, Hadith 171