Are silk and gold haram for men?

Haram Dress Hadith · 1

Short answer

Yes. The Prophet ﷺ said that these two are forbidden for the males of his community. They are permitted for women.

Evidence

Hadith

1 Sunan Abi Dawud 4057 Grade: Al-Albani: Sahih · Muhammad Muhyi Al-Din Abdul Hamid: Sahih · Zubair Ali Zai: Sahih

Narrated Ali ibn AbuTalib: The Prophet of Allah (ﷺ) took silk and held it in his right hand, and took gold and held it in his left hand and said: both of these are prohibited to the males of my community

Arabic text (with chain of narrators)

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ أَبِي أَفْلَحَ الْهَمْدَانِيِّ، عَنْ عَبْدِ اللَّهِ بْنِ زُرَيْرٍ، - يَعْنِي الْغَافِقِيَّ - أَنَّهُ سَمِعَ عَلِيَّ بْنَ أَبِي طَالِبٍ، - رضى الله عنه - يَقُولُ إِنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم أَخَذَ حَرِيرًا فَجَعَلَهُ فِي يَمِينِهِ وَأَخَذَ ذَهَبًا فَجَعَلَهُ فِي شِمَالِهِ ثُمَّ قَالَ ‏ "‏ إِنَّ هَذَيْنِ حَرَامٌ عَلَى ذُكُورِ أُمَّتِي ‏"‏ ‏.‏

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This is general information, not a fatwa. For your own situation, ask a qualified scholar.