Hadith #5271 (Sahih Muslim)
Book: The Book of Clothes and Adornment
Narrator(s): Khalifa bin Ka'b Abu Dhabyan خليفة بن كعب التميمي أبو ذبيان
Grade: Sahih

I heard ‘Abdullah b. Zubair addressing the people and saying: Behold! do not dress yuor women with silk clothes for I heard ‘Umar b. Khattab as sayinp that he had heard Allah’s messenger (ﷺ) as saying: Do not wear silk, for one who wear it in this world will not wear it in the Hereafter.

Source: https://parallelquran.com/hadith/sahih-muslim-5271/