An inquirer asked the Messenger of Allah ﷺ about the prayer in a single garment. He (the Holy Prophet) add: Has everyone of you two garments?
أَنَّ سَائِلاً سَأَلَ رَسُولَ اللَّهِ ﷺ عَنِ الصَّلاَةِ فِي الثَّوْبِ الْوَاحِدِ فَقَالَ أَوَلِكُلِّكُمْ ثَوْبَانِ