Narrated Ya'la bin Murrah:
"The Prophet (ﷺ) saw a man wearing Khuluq and said: 'Go and wash it, then wash it, then do not use it again.'" (ID)
English reference (ID): Vol. 5, Book 41, Hadith 2816 (ID)
Arabic reference (ID): Book 43, Hadith 3048 (ID)