"'Aishah brought a patched woolen Kisa' (cloak), and a thick Izar, She said: 'The Messenger of Allah (ﷺ) died in these.'"

There are narrations on this topic from 'Ali and Ibn Mas'ud. The Hadith if 'Aishah is Hasan Sahih Hadith.
Jami` at-Tirmidhi Book 24, Hadith 14