Uthman bin 'Uthman al-Ghtfany عثمان بن عثمان الغطفاني · Clothing (Kitab Al-Libas)

Ali quoting his father said: Rukanah wrestled with the Prophet (ﷺ) and the Prophet (ﷺ) threw him on the ground. Rukanah said: I heard the Prophet (ﷺ) say: The difference between us and the polytheists is that we wear turbans over caps.