Riyad as-Salihin 786
'Aishah (May Allah be pleased with her) reported:
One morning the Messenger of Allah (ﷺ) went out wearing a black blanket made of a camel or sheep's black hair with patterns of camel's bags upon it. [Muslim] .
وعنها قالت‏:‏ خرج رسول الله صلى الله عليه وسلم ذات غداة، وعليه مرط مرحل من شعر أسود‏.‏‏‏((رواه مسلم))‏