Tang official headwear
The Tang official headwear or Chuijiao Putou (垂腳襆頭), lit. "head cover" or "head wrap", was the headwear of Tang dynasty officials. It consisted of a black hat with two wing-like flaps. However, contrary to the similar Song official headwear in the Song dynasty, the flaps drooped down. See also

Song official headwear
Qing official headwear
Futou
List of hats and headgear
Hanfu

Chinese headgear
headwear