Musnad Ahmad 32:1817

Ubayd Allah ibn Muhammad narrated to us, Hammad ibn Salamah narrated to us, from Habib ibn al-Shahid, from al-Hasan, from Anas ibn Malik: "The Messenger of Allah (peace and blessings of Allah be upon him) went out while leaning on Usamah ibn Zayd, and he was wearing a garment that he had wrapped around himself, and he prayed with them."