Muwatta Malik
Prayer in Congregation
Hadith #33
8.33
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