وَقَالَ أَبُو بَصِيرٍ لِأَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: مَا يُجْزِي اَلرَّجُلَ مِنَ اَلثِّيَابِ أَنْ يُصَلِّيَ فِيهِ فَقَالَ «صَلَّى اَلْحُسَيْنُ بْنُ عَلِيٍّ صَلَوَاتُُ اَللَّهِ عَلَيْهِ فِي ثَوْبٍ قَدْ قَلَصَ عَنْ نِصْفِ سَاقِهِ وَ قَارَبَ رُكْبَتَيْهِ لَيْسَ عَلَى مَنْكِبَيْهِ مِنْهُ إِلاَّ قَدْرُ جَنَاحَيِ اَلْخُطَّافِ وَ كَانَ إِذَا رَكَعَ سَقَطَ عَنْ مَنْكِبَيْهِ وَ كُلَّمَا سَجَدَ يَنَالُهُ عُنُقُهُ فَرَدَّهُ عَلَى مَنْكِبَيْهِ بِيَدِهِ فَلَمْ يَزَلْ ذَلِكَ دَأْبَهُ وَ دَأْبَهُ مُشْتَغِلاً بِهِ حَتَّى اِنْصَرَفَ.
Abu Basir asked Imam Jafar ibn Muhammad Al-Sadiq (a.s) about what is sufficient clothing for a man to pray in. Imam (a.s) said: "Hussain ibn Ali (a.s) prayed in a garment that reached up to half his shin and was close to his knees, with only as much covering on his shoulders as the wings of a swallow. When he would bow (in ruku'), it would slip off his shoulders, and whenever he prostrated (Sujood), it would touch his neck, so he would pull it back over his shoulders with his hand, and this remained his practice until he completed the prayer”.