The Book Pertaining to Clothes and Decoration (Kitab Al-Libas wa'l-Zinah)
Muslim :: Book 24 : Hadith 5196
Salim reported: I heard Ibn Umar as saying that he had heard Allah's Messenger (may peace be upon him) as saying like this (as mentioned above) but with a slight variation of wording [that instead of the word thaub (cloth) there is the word thiyab (the clothes) ].