`Umar bin Al-Khattab (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, "Do not wear silk (clothes). For whoever wears (them) in this life will be deprived of them in the Hereafter."[Al-Bukhari and Muslim].
App reference: Book 4, Hadith 26
Arabic/English book reference: Book 4, Hadith 804