a piece of cloth worn on the head that is tied at the back so it fits closely to the top of the head

He was wearing a black do-rag under a brown Yankees cap. 他在棕色的洋基帽下面还戴了黑色的头巾。

The first member of the group came out, in a sleeveless undershirt and doo-rag. 第一名队员出场了，穿着无袖衬衫，戴着头巾。