817. hadíth
وَ سَأَلَ يُونُسُ بْنُ يَعْقُوبَ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: عَنِ اَلرَّجُلِ يُصَلِّي وَ عَلَيْهِ اَلْبُرْطُلَةُ فَقَالَ «لاَ يَضُرُّهُ.
Yunus ibn Ya'qub asked Imam Jafar ibn Muhammad Al-Sadiq (a.s) about a man praying while wearing a burṭulah (a type of hat or head covering). The Imam said: "It does not harm him (there is no issue)."