Authentic
graded by Salim al-Hilali
Companion’s words (mawquf) Muwatta Malik 322
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ جَابِرَ بْنَ عَبْدِ اللَّهِ، كَانَ يُصَلِّي فِي الثَّوْبِ الْوَاحِدِ .
Yahya related to me from Malik that he had heard that Jabir ibn Abdullah used to pray in one garment.
Reported by Malik (No. 322).