Mu'awiyah ibn AbuSufyan asked his sister Umm Habibah, the wife of the Prophet ﷺ: Would the apostle of Allah ﷺ pray in the clothe in which he had an intercourse? She said: Yes, when he would not see any impurity in it.  

أَنَّهُ سَأَلَ أُخْتَهُ أُمَّ حَبِيبَةَ زَوْجَ النَّبِيِّ ﷺ هَلْ كَانَ رَسُولُ اللَّهِ ﷺ يُصَلِّي فِي الثَّوْبِ الَّذِي يُجَامِعُهَا فِيهِ فَقَالَتْ نَعَمْ إِذَا لَمْ يَرَ فِيهِ أَذًى