Prohibition of the Wearing of Silk
And permitted you to attire yourselves in silk
(The Kitáb-i-Aqdas, The Most Holy Book, Bahá’u’lláh, para. 159)
According to Islamic practice, the wearing of silk by men was generally forbidden, except in times of holy war. This prohibition, which was not based on the verses of the Qur’án, was abrogated by the Báb.
(The Kitáb-i-Aqdas, The Most Holy Book, Notes No. 174)