Musnad Ahmad 28:494

'Abd al-Malik ibn 'Amr narrated to us, Hisham narrated to us, from Yahya, from Muhammad ibn Ibrahim, from Khalid ibn Ma'dan, from Jubayr ibn Nufayr, from 'Abdullah ibn 'Amr, that the Prophet, peace and blessings of Allah be upon him, saw him wearing two saffron-dyed garments. He said: "These are the garments of the disbelievers, so do not wear them."