(9) باب مَا جَاءَ فِي لُبْسِ الْحَرِيرِ
Narrated Abu 'Uthman al-Nahdi:
'Umar wrote to 'Utbah b. Farqad that the Prophet (ﷺ) forbade (wearing) silk except so-and-so, and so-and-so, to the extent of two, three, or four fingers.
Reference: Sunan Abi Dawud 4042
In-book reference: Book 34, Hadith 23
English translation: Book 33, Hadith 4031