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
Haramaki (armour) cloth undergarment worn around the belly to increase body heat retention during the winter. Haramaki (armour) Haramaki is a type of chest armour ("dou or dō") worn by the samurai class of feudal Japan and their retainers. "Haramaki" were originally constructed with the same materials as the ō-yoroi but designed for foot soldiers to use as opposed to the ō-yoroi which was for mounted warfare. "Haramaki" refers to any Japanese armour which is put on from the front and then fastened in the back with cords. Other types of dō open from the side ("ni-mai dō", "dō-maru", "maru-dō") instead of