عَنْ عُمَرَ رضي الله عنه قَالَ: قَالَ النَّبِيُّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ: «مَنْ لَبِسَ الحَرِيرَ فِي الدُّنْيَا لَمْ يَلْبَسْهُ فِي الآخِرَةِ».
The Prophet (may Allah's peace and blessings be upon him) pointed out that whoever among men wears silk in this world will not wear it in the Hereafter as a punishment for him unless he repents from it.
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