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Japanese armour

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Subject: Tatami (Japanese armour), Kusari (Japanese mail armour), Guntō, Karuta (armour), Kikko (Japanese armour)
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Japanese armour

A samurai on horseback wearing (ō-yoroi)

Armour in Japan has a history that goes back as far as the 4th century.[1] Japanese armour developed enormously over the centuries since its introduction to the battlefield. It was worn to varying degrees by numerous classes; most notably by the samurai (and by default the ashigaru), and was seen on the battlefield both on mounted and foot troops. The pinnacle of Japanese lamellar armour is generally accepted as being the ō-yoroi (大鎧, literally 'great armour') type.


Antique samurai ō-yoroi armour from the Met museum.

Japanese armour is thought to have evolved from the armour used in ancient China and Korea.[1] Cuirasses and helmets were manufactured in Japan as early as the 4th century.[2]Tankō, worn by foot soldiers and keikō, worn by horsemen were both pre-samurai types of early Japanese cuirass constructed from iron plates connected together by leather thongs.

During the Heian period (794-1185), the Japanese cuirass evolved into the more familiar style of armour worn by the samurai known as the dou or dō. Japanese armour makers started to use leather (nerigawa) and lacquer was used to weather proof the armor parts. By the end of the Heian period the Japanese cuirass had arrived at the shape recognized as being distinctly samurai. Leather and or iron scales were used to construct samurai armours, with leather and eventually silk lace used to connect the individual scales (kozane) which these cuirasses were now being made from.[3]

In the 16th century Japan began trading with Europe during what would become known as the Nanban trade. Samurai acquired European armour including the cuirass and comb morion which they modified and combined with domestic armour as it provided better protection from the newly introduced matchlock muskets known as . The introduction of the tanegashima by the Portuguese in 1543[4] changed the nature of warfare in Japan causing the Japanese armour makers to change the design of their armours from the centuries old lamellar armours to plate armour constructed from iron and steel plates which was called tosei gusoku (new armours).[5] Bullet resistant armours were developed called or (bullet tested)[6] allowing samurai to continue wearing their armour despite the use of firearms.

The era of warfare called the Sengoku period ended around 1600, Japan was united and entered the peaceful Edo period, samurai continued to use both plate and lamellar armour as a symbol of their status but traditional armours were no longer necessary for battles. During the Edo period light weight, portable and secret hidden armours became popular as there was still a need for personal protection. Civil strife, duels, assassinations, peasant revolts required the use of armours such as the (chain armour jacket) and armoured sleeves as well as other types of armour which could be worn under ordinary clothing.[7] Edo period samurai were in charge of internal security and would wear various types of kusari gusoku (chain armour) and shin and arm protection as well as forehead protectors ().[8]

Armour continued to be worn and used in Japan until the end of the samurai era (Meiji period) in the 1860s, with the last use of samurai armour happening in 1877 during the Satsuma Rebellion.[9]

Nanban dou (dō) gusoku, a Japanese (samurai) suit of armour with a western-style cuirass (dou or dō) made of plate armour. Tokyo National Museum.


Construction of samurai armour, Source Wendelin Boeheim Leipzig 1890:
1. Cuirass - dou or dō (胴(仏胴))
2. Fauld - kusazuri (草摺)
3. Cuisse - haidate (佩楯)
4. Poleyn - tateage (立挙)
5. Greaves - suneate (臑当(篠臑当))
6. Sabaton - kōgake (甲懸)
7. Spaulders - sode (袖(当世袖))
8. Vambrace - kote (籠手(篠籠手))
9. Gauntlets - tekkō (手甲(摘手甲))
10. Helm - kabuto (兜(日根野形頭形兜))
11. Badge (helmet) - kasa-jirushi (腰巻)
12. Forehead plate - mabisashi (眉庇)
13. Lame - fukikaeshi (吹返)
14. Neck guard - shikoro (しころ(日根野しころ))
15. Crest (here: water buffalo horns) - wakidate (立物(水牛の脇立))
16. Crest (here: sun disk) - maedate (立物(日輪の前立))
17. Faceplate - menpō or mempō (面頬(目の下頬))
18. Badge (shoulder) - sode-jirushi (垂)
19. Bevor - yodare-kake (襟廻)

was generally constructed from many small iron (tetsu) and or leather scales and or plates (ita-mono), connected to each other by rivets and lace made from leather and or silk, and or chain armour (kusari). These armor plates were usually attached to a cloth or leather backing. Japanese armour was designed to be as lightweight as possible as the samurai had many tasks including riding a horse and archery in addition to swordsmanship. The armour was usually brightly lacquered to protect against the harsh Japanese climate. Chain armour (kusari) was also used to construct individual armour pieces and full suits of kusari were even used.[10]

Individual armour parts

A full suit of traditional Samurai armour could include the following items:

  • , a chest armour made up of iron and or leather plates of various sizes and shapes with pendents
  • made from iron or leather plates hanging from the front and back of the dou (dō) to protect the lower body and upper leg.
  • , large rectangular shoulder protection made from iron and or leather plates.
  • , armoured glove like sleeves which extended to the shoulder or (kote gauntlets) which covered the forearms. Kote were made from cloth covered with iron plates of various size and shape, connected by chain armor .
  • Kabuto, a helmet made from iron or leather plates (from 3 to over 100 plates) riveted together. A neck guard made from several layers of curved iron or leather strips was suspended from the bottom edge of the kabuto.
  • Mengu, various types of lacquered metal and or leather facial armour designed in a way that the top heavy helmet kabuto could be tied and secured to them by various metal posts. Mengu had throat guards made from several rows of iron or leather plates or kusari (chain armour) sewn to a cloth backing, suspended from the bottom edge.
  • , thigh guards which tied around the waist and covered the thighs. These were made from cloth with small iron and or leather plates of various size and shape, usually connected to each other by chain armour (kusari) and sewn to the cloth.
  • , shin guards made from iron splints connected together by chain armor (kusari) and sewn to cloth and tied around the calf.

Auxiliary armours

  • , a type of throat and neck protector.
  • , a type of throat and neck guard.
  • , the tate-eri is a small padded pillow like piece with a standing armored collar that sits on the shoulder to protect from the weight of the dou (dō). The standing collar would be lined with kikko armor to protect the neck.
  • , the manju no wa, ( also manjunowa or manju nowa ) is a combination of shoulder pads, collar and armpit guards in one that protected the upper chest area. Manju no wa were covered with kusari (chain armor), karuta (small armor plates), or kikko (brigandine), these armors or a combination of them were sewn to a cloth backing. The armor could be exposed or hidden between a layer of cloth. When worn the manju no wa looked like a small tight fitting vest. Manju no wa have small wings that would pass under the arm pit area from the back and attach to the front of the manju no wa.
  • , the manchira is a type of armored vest covered with kusari (chain armor), karuta (small armor plates) or kikko (brigandine), these armors or a combination of them were sewn to a cloth backing. The armor could be exposed or hidden between a layer of cloth. Manchira are larger than manju no wa and protected the chest area and sometimes the neck and arm pit. Some manchira could be worn over the dou (dō).
  • , the wakibiki is a simple rectangle of cloth covered with kusari (chain armor), karuta (small iron plates), or kikko (brigandine) these armors or a combination of them were sewn to the cloth backing. Wakibiki could also be made from one solid piece of iron or hardened leather. The wakibiki had cords connected to them which allowed the wakibiki to hang from the shoulder, the wakibiki was then suspended over the exposed arm pit area. Wakibiki were worn inside the of the chest armour dou (dō) or on the outside depending on the type.
  • , cloth hoods with various types of armour sewn to the cloth.
  • , armored tabi, a kind of sabaton that covered the top of the foot.
  • Jingasa (war hat), resembling the civilian coolie hat, issued to Ashigaru retainers, these could be made from metal or leather.
  • , various types of light weight, portable, forehead protectors.
  • , jackets covered with various types of armour, the armour could be exposed or hidden between layers of cloth.
  • , pants covered with various types of armor, the armour could be explsed or hidded between layers of cloth.

Clothing worn with Japanese armour

  • , a cloth sash or belt used for attaching various weapons and other items such as the katana, wakizashi and tantō.
  • , a simple loin cloth.
  • , tight gaiters made of cloth which covered the shins.
  • Hakama, a type of pants worn underneath the armour, hakama could be long or short like the .
  • , a shirt worn underneath the armour.
  • , a cloth sock with divided toes.
  • , a woven sandal also known as zōri.
  • , short riding boots made from leather.
  • , gloves that were worn under the kote.
  • , also known as tsuranuki, short leather shoes trimmed with bear fur.

Auxiliary items worn with Japanese armour

  • Sashimono, a small banner that is attached to the back of the dou (dō) by . Its purpose was to identify the wearer as friend or foe which was essential in the chaotic confusion of a pitched battle melee.
  • Horo - A cloak reserved for prestigious, high-ranking samurai. It provides additional protection from arrows.
  • , a decorative tassel worn on the back of some dou and kabuto, the agemaki can also serve as an attachment point.
  • , small identification flags or badges worn on the back of the helmet (kasa jirushi) or on the shoulder (sode jurishi).
  • , crests of various shapes and sizes worn on several areas of the helmet (kabuto).
  • Yebira arrow quiver for ya (arrows).

In popular culture


Pre-samurai armour

  • Armours that were worn in Japan before the samurai class evolved.
    • Tanko
    • Keiko

Kozane armour

, are samurai armours with a lamellar cuirass constructed from individual scales , old fashioned armours used before the introduction of firearms in Japanese warfare, (pre-Sengoku styles)[11][12]

  • O-yoroi, old style dou (dō) for mounted samurai, constructed with hon kozane (small individual scales).
  • Dō-maru, old style dou (dō) constructed with (dō), old style dou (dō) that opened in the back, constructed with hon kozane (small individual scales), later period haramaki dou (dō) were made with armour plates.
  • (small individual scales)
  • (large individual scales).


the so-called "modern armours" made from iron plates (ita-mono)[13] instead of individual scales (kozane). Tosei-gusoku became prominent starting in the 1500s due to the advent of fire arms, new fighting tactics and the need for additional protection.[14][15]

  • - (tub-sided), refers to the tub-like shape of the dou (dō). There are two types of okegawa dou (dō): yokohagi (horizontal lames), and tatehagi (vertical lames).
  • - chest armours with rows of prominent cross knots, usually an okegawa dou (dō).
  • - chest armours with a running stitch that goes horizontally across the surface of the dou (dō). This stitch of lacing runs along the surface of the lame looking like a dotted line paralleling the top.
  • - meaning "step-changing", a combination of two or more styles.
  • - chest armor which is smooth and shows no signs of lames.
  • - embossed to resemble the emaciated torso of a starving monk or old man.
  • Katahada-nugi dou (dō) - embossed to resemble a half-naked torso.
  • - A five plate, four hinge (go-mai) chest armor in the sendai or yukinoshita style.
  • - (pigeon-breast chest armour or cuirass) were inspired by European peascod breastplate armour. Hatomune dou (dō) have a sharp central ridge running vertically down the front.
  • - Embossed or hammered out relief on the front.
  • — Armour made on the base of late European armour
  • - five-plate, four hinge (go mai) chest armours with solid lames which are laced with sugake odoshi instead of being riveted.

Other types

  • Tatami-gusoku — Folding portable armour made from karuta armour (small square or rectangular plates)or kikko armour (small hexagon plates).[16][17] Kusari gusoku (chain armour) is another form of tatami armour. (collapsible helmets) and ( forehead protectors) that folded were also tatami armour.
  • — bullet tested armour
  • lending or borrowing armour or munition armour, usually made for ashigaru (it might be Tatami-do or any plain basic armour) often marked with clan insignia (mon).
  • , horse armour used in the Edo period for parades.
  • Chain armour, armour made entirely of or the majority of the armour being made from kusari (chain mail) sewn to cloth.[18]
  • Kigote, a general term for several varieties of kote extended or completed by the addition of erisuwari (padded collar), kara-ate (shoulder pads) and wakibiki (armpit protectors). Examples of the kigote are the kote haramaki (kote which covers the belly), (kote that connect to each other in the front and back), (kote made in the form of a short jacket).
  • , armored jackets of various styles and sizes. Katabira were armored with kikko, hexagon armor plates, karuta, square or rectangular armor plates, or kusari, chain armor, or a combination of these armors.

Individual samurai armor parts

See also


  1. ^ a b (Google eBook), William Wayne Farris, University of Hawaii Press, 1998 P.75Sacred texts and buried treasures: issues in the historical archaeology of ancient Japan
  2. ^ , William Wayne Farris, University of Hawaii Press, 1998 P.75Sacred texts and buried treasures: issues in the historical archaeology of ancient Japan
  3. ^ , H. Russell Robinson, Courier Dover Publications, 2002 P.i73Oriental Armour
  4. ^ , Olof G. Lidin, Nordic Institute of Asian Studies, NIAS Press, 2002Tanegashima: the arrival of Europe in Japan
  5. ^ , Clive Sinclaire, Globe Pequot, 2004 P.32Samurai: The Weapons and Spirit of the Japanese Warrior
  6. ^ , Trevor Absolon P.78The Watanabe Art Museum Samurai Armour CollectionVolume I ~ Kabuto & Mengu
  7. ^ Secrets of the samurai: a survey of the martial arts of feudal Japan, Oscar Ratti, Adele Westbrook, Tuttle Publishing, 1991 P.196
  8. ^ , Don Cunningham, Tuttle Publishing, 2004 P.46Taiho-jutsu: law and order in the age of the samurai
  9. ^ , Clive Sinclaire, Globe Pequot, 2004 P.58Samurai: The Weapons and Spirit of the Japanese Warrior
  10. ^ George Cameron Stone (2 July 1999). A Glossary of the Construction, Decoration and Use of Arms and Armor: In All Countries and in All Times. Courier Dover Publications. p. 61.  
  11. ^ , Hatiro Yamagami, Japan. Kokusai Kankōkyoku, Board of Tourist Industry, Japanese Government Railways, 1940Japan's ancient armour
  12. ^ , Hatiro Yamagami, Japan. Kokusai Kankōkyoku, Board of Tourist Industry, Japanese Government Railways, 1940Japan's ancient armour
  13. ^ , H. Russell Robinson, Courier Dover Publications, 2002 p.190Oriental Armour
  14. ^ , Clive Sinclaire, Globe Pequot, 2004, p.32The Weapons and Spirit of the Japanese WarriorSamurai:
  15. ^ , Clive Sinclaire, Globe Pequot, 2004, p.171The Weapons and Spirit of the Japanese WarriorSamurai:
  16. ^ by George Cameron, p.61A glossary of the construction, decoration, and use of arms and armor
  17. ^ Ian Bottomley & A.P. Hopson "Arms and Armor of the Samurai: The History of Weaponry in Ancient Japan" pp.88, 91
  18. ^ by George Cameron, p.61A glossary of the construction, decoration, and use of arms and armor

External links

  • Anthony Bryant's online Japanese armour manual
  • "The Samurai Archives" Japanese history site and forum
  • Shogun Samurai reenactment group
  • Trevor Absolon's Samurai armour collectors forum.
  • Glossary of Japanese armor terms.
  • Nihon-no-katchu
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