Tatami (Japanese armour) the other related parts of a full suit of Japanese armour. Collapsible head protection such as "" and other collapsible armor are also "tatami" armor; a traditional kabuto could also be part of a tatami gusoku. Tatami armour was lightweight, portable, convenient for transportation, and they were manufactured inexpensively for the ashigaru light infantry. Tatami armours were worn by all samurai classes from the highest class to the lowest class. The higher class samurai wore elaborate armour while the lower class samurai and retainers wore simpler versions. In his book "Arms and Armor of the Samurai: The History of Weaponry
Korean armour mail or lamellae, a body armour reaching down to the thighs or knees, and a set of shoulder guards which protected the upper arm as well. In the late dynasty brigandine became the primary Korean metallic armour and often reached below the knees when worn, and the helmet assumed a conical shape. The rest did not change much as the dynasty did not experience any war after the Manchu invasions. In the mid-19th century, however, there was an attempt to develop anti-ballistic armor made by sewing sheets of textiles along with cotton and combining them into a thick vest as