ENOfficial
It was narrated that Salamah bin Al-Akwa said: " I said: 'O Messenger of Allah(ﷺ), I go hunting wearing nothing but a single shirt. Can I pray in it?' He said: 'Fasten it to yourself even with a thorn.'"
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا الْعَطَّافُ، عَنْ مُوسَى بْنِ إِبْرَاهِيمَ، عَنْ سَلَمَةَ بْنِ الأَكْوَعِ، قَالَ قُلْتُ يَا رَسُولَ اللَّهِ إِنِّي لأَكُونُ فِي الصَّيْدِ وَلَيْسَ عَلَىَّ إِلاَّ الْقَمِيصُ أَفَأُصَلِّي فِيهِ قَالَ " وَزُرَّهُ عَلَيْكَ وَلَوْ بِشَوْكَةٍ " .
sunnah.com