Áo giao lĩnh
The Áo giao lĩnh (Giao lãnh y, 交領衣, lit. "cross-collared robe") was a traditional cross-collared robe worn by Vietnamese before the 19th century. During the Nguyen dynasty, it was replaced by the áo dài and became obsolete.
Tran dynasty robes as depicted in a section of a 14th-century scroll
Portrait of Prince Tôn Thất Hiệp from the 17th century. He wears a cross-collared robe (áo giao lĩnh) which was commonly worn by Vietnamese aristocrats before the 19th century