(3) باب إِبَاحَةِ لُبْسِ الْحَرِيرِ لِلرَّجُلِ إِذَا كَانَ بِهِ حِكَّةٌ أَوْ نَحْوُهَا
Anas reported that Allah's Messenger (ﷺ) granted concession, or Zubair b. Awwam and 'Abd Al-Rahman b. Auf were granted concession, for the wearing of silk because of the itch that they both had. (ID)
Reference (ID): Sahih Muslim 2076 c (ID)
In-book reference (ID): Book 37, Hadith 46 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5170 (ID)