حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ قَالَ ‏"‏ مَا عَلَى أَحَدِكُمْ لَوِ اتَّخَذَ ثَوْبَيْنِ لِجُمُعَتِهِ سِوَى ثَوْبَىْ مَهْنَتِهِ ‏"‏ ‏.‏

Yahya related to me from Malik from Yahya ibn Said that he hadheard that the Messenger of Allah, may Allah bless him and grant himpeace, said, "There is nothing wrong in wearing two garments which arenot work-clothes for jumua." Translation Not Available

Book Ref: Muwatta Imam Malik Book 5 Hadith 241
Web Ref:  Muwatta Imam Malik Book 5 Hadith 18