Hadith 711B

قَالَ يَحْيَى : سُئِلَ مَالِك عَمَّا ذُكِرَ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ، أَنَّهُ قَالَ : " وَمَنْ لَمْ يَجِدْ إِزَارًا فَلْيَلْبَسْ سَرَاوِيلَ " فَقَالَ : لَمْ أَسْمَعْ بِهَذَا ، وَلَا أَرَى أَنْ يَلْبَسَ الْمُحْرِمُ سَرَاوِيلَ ، لِأَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى عَنْ لُبْسِ السَّرَاوِيلَاتِ ، فِيمَا نَهَى عَنْهُ مِنْ لُبْسِ الثِّيَابِ الَّتِي لَا يَنْبَغِي لِلْمُحْرِمِ أَنْ يَلْبَسَهَا ، وَلَمْ يَسْتَثْنِ فِيهَا كَمَا اسْتَثْنَى فِي الْخُفَّيْنِ
Imam Malik, may Allah have mercy on him, was asked about the hadith narrated from the Prophet, peace and blessings be upon him: "Whoever does not find an izar (lower garment), then let him wear trousers." Is it permissible to wear trousers when an izar is not available? Imam Malik, may Allah have mercy on him, replied: I have not heard this hadith, and in my view, a muhrim should not wear trousers, because the Messenger of Allah, peace and blessings be upon him, forbade wearing trousers, and did not make an exception for it as he made an exception for leather socks.
Hadith Reference موطا امام مالك رواية يحييٰ / كتاب الحج / 711B
Hadith Takhrij «فواد عبدالباقي نمبر: 20 - كِتَابُ الْحَجِّ-ح:8ق»