Sahih Muslim | Book 24 | Hadith Number 5173

Narrated by 'Abdullah b. 'Amr b. al-As
'Abdullah b. 'Amr b. al-As reported: Allah's Messenger (may peace be upon him) saw me wearing two clothes dyed in saffron, whereupon he said: These are the clothes (usually worn by) the non-believers, so do not wear them.