ENOfficial
It was narrated from ‘Umar that he used to forbid silk and brocade except that which was like that, then he gestured with his finger, then his second finger, then his third, then his fourth,* and said: “The Messenger of Allah (ﷺ) used to forbid that to us.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنْ عَاصِمٍ الأَحْوَلِ، عَنْ أَبِي عُثْمَانَ، عَنْ عُمَرَ، أَنَّهُ كَانَ يَنْهَى عَنِ الْحَرِيرِ، وَالدِّيبَاجِ، إِلاَّ مَا كَانَ هَكَذَا ثُمَّ أَشَارَ بِإِصْبَعِهِ ثُمَّ الثَّانِيَةِ ثُمَّ الثَّالِثَةِ ثُمَّ الرَّابِعَةِ وَقَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَنْهَانَا عَنْهُ .
sunnah.com