Abdur Rahman bin Ishaq عبد الرحمن بن إسحاق بن عبد الله · The Chapters on Jihad

“The Messenger of Allah (ﷺ) slept near me one day, then he woke up smiling. I said: ‘O Messenger of Allah, what has made you smile?’ He said: ‘People of my nation who were shown to me (in my dream) riding across this sea like kings on thrones.’ I said: ‘Supplicate to Allah to make me one of them.’” So he prayed for her. Then he slept again, and did likewise, and she said the same as she said before,…

“The Prophet (ﷺ) used to wear this when he met the enemy.”