Fighting for the Cause of Allah (Jihaad)

Bukhari :: Book 4 :: Volume 52 :: Hadith 168

Narrated Anas:

The Prophet allowed 'Abdur-Rahman bin 'Auf and Az-Zubair to wear silken shirts because they had a skin disease causing itching.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star