Muwatta Malik, Book 8, Hadith 322 (In-Book)

Yahya related to me from Malik that he had heard that Jabir ibn Abdullah used to pray in one garment.

وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ جَابِرَ بْنَ عَبْدِ اللَّهِ، كَانَ يُصَلِّي فِي الثَّوْبِ الْوَاحِدِ ‏.‏

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also referenced under: Book 8, Hadith 33 (USC-MSA)