Tang officers from the 700s, wearing the distinctive Mingguang armor, distinguished by the twin breastplates that protected the torso, relatively lighter than the heavy lamellar armor- it was often preferred by the officer corp, these armor often marked the high status of its wearer- one of the reasons that many of the Tang dynasty tomb guardian figurines wears such armor. Early Heian era samurai helmets were influenced by these cavalry helmets- especially the cheek pieces.
Elaborate mountain scale armor of a high ranking officer. Reproduced from a Tang dynasty scroll of Chinese dieties styled in late Tang costumes (see below)~ Note the elaborate dragon/ qilin helmet design that is strikingly reminiscent of Sengoku era samurai helmet designs, especially that of the legendary Daimyo Takeda Shingen.
Extremely heavy lamellar armor of a Jin Dynasty (1115–1234) "Iron Pagoda horseman" Some historians have referred to these heavy cavalry as cataphracts or clibanarii, in reference to their near identical appearance to heavy Persian cavalry from the 4-7th centuries. http://dragonsarmory.blogspot.com/2017/02/medieval-chinese-cataphracts-1-iron.html
Tang cavalry man in full lamellar armor. Lamellar aventail and pauldrons, bracers for the archers, and riding boots. The plumes for the elite imperial guards would sometimes display elaborate peacock feathers or elaborate effigies of fowls with extended wings.