Regarding Wearing Silk Due To An Excuse

Narrated Anas:
The Messenger of Allah ﷺ gave license to 'Abd al-Rahman b. 'Awf and al-Zubair b. al-'Awwam to wear silk shirts during a journey because of an itch which they had.

حَدَّثَنَا النُّفَيْلِيُّ، حَدَّثَنَا عِيسَى، - يَعْنِي ابْنَ يُونُسَ - عَنْ سَعِيدِ بْنِ أَبِي عَرُوبَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ رَخَّصَ رَسُولُ اللَّهِ ﷺ لِعَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ وَلِلزُّبَيْرِ بْنِ الْعَوَّامِ فِي قُمُصِ الْحَرِيرِ فِي السَّفَرِ مِنْ حِكَّةٍ كَانَتْ بِهِمَا .