Sahih Muslim 5443
صحيح مسلم#5443SahihAbu Burda reported that A'isha brought out for us the lower garment and the upper garment made of the Mulabbada cloth and said:It was in these (clothes) that Allah's Messenger (ﷺ) died. Ibn Hatim (one of the narrators) in his narration Wd: The lower garment of coarse cloth
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 37:58