It is narrated from Sayyiduna Abdullah bin Salam (may Allah be pleased with him), who said: The Messenger of Allah (peace and blessings be upon him) addressed us and said: "What harm would there be for any of you if he set aside two garments for Friday, apart from his work clothes?"
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13970