Musnad Ahmad 1153:1262

Al-Walid ibn Muslim narrated to us, he said: Al-Awza'i narrated to us, he said: Al-Zuhri narrated to me, from Al-Qasim ibn Muhammad, from Aisha, she said: "The Messenger of Allah, peace and blessings of Allah be upon him, was wrapped in a Hibra garment, then it was taken from him." Al-Qasim said: "Indeed, the remnants of that garment are with us even now."