Tatami Karuta Do
(Folding Chest Armor)

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SKU: DO-TTK1

Original price was: $614.79.Current price is: $521.94. $521.94

  • Select the color & finish your armor will be painted. Paint Color & Finish Options(Click through the product images to see details of different Paint Options.)

    Select the material to be used(Click through the product images to see details of different Material Options.)

    Add a MON (symbol) to the top central plate of your chest.

    Choose to craft your armor WITH or WITHOUT padding.

    Select the LACE (Odoshi) Color you would like for your armor. 
    Odoshi Lace for Samurai Armor by Iron Mountain Armory
    (Click through the product images to see different Lace Colors.)

    Select the Color Thread used around the lace knots. If left blank it will match the Main Lace Color.

    Thread Color



    Select the color / style of Trim / Edge used around your Tate-Eri (shoulder padding). If left blank, it will match your Main Fabric option
    Trim Option

    Image for reference only




    Add a long cloth belt used to hold your dō firmly in place for a more comfortable with and to hold weapons and other accessories to your waist.
    Sarashi

    Add a narrow Uwa - Obit (outer utility) Belt to your armor set, to hold your tanto (dagger), katana (sword), bags, canteen and other accessories.

    Add Straw Sandals to your order

    Add Traditional Straw Sandals to your order. Select 1 size smaller.

    Waraji Traditional Samurai Sandal

    Add a pair of Tabi Socks to your order





    Select to Heat Temper your steel armor plates to Add more toughness. Your armor will be heated to 700 degrees, making it more resilient and less likely to dent or break upon hard impacts. Best for Martial Arts Training, LARP & SCA Sports.

    Select between Standard Armor Plate thickness and Thicker Armor Plating.

    Choose to upgrade your hachigane (armored headband) to a zukin (armored hood).

    Select the color & finish your headgear will be painted. Paint Color & Finish Options(Click through the product images to see details of different Paint Options.)

    Select the material to be used(Click through the product images to see details of different Material Options.)

    Choose to a BRASS MON (crest) to the central plate of your hachigane (armored headband).


  • Select your preferred fit: snug or loose. Measure your chest at its widest point, just below the armpits, while fully inhaling.
    If wearing clothing under the armor, add 1 inch (2.5 cm) to your measurement. If in doubt, we suggest rounding up or down to the nearest size.

    Please choose your height.
    Our standard armor is sized for people 167–177 cm tall (≈ 5'6"–5'10").
    Selecting your exact height helps us tailor the armor for the best fit. We suggest to round up or down to the nearest size.

    Please choose your weight.
    We use this only to gauge your body proportions so we can refine the armor’s shape and fit.
    It does not change the armor’s quality or class, and sizing can still be adjusted later if required.


Lightweight Defense for Samurai, Ashigaru & Shinobi

The Tatami Karuta Dō (folding cuirass with square plates) is a traditional form of tatami yoroi (folding armor), designed to offer flexibility, mobility, and practical protection during Japan’s late Sengoku and Edo Eras. Worn by ashigaru (foot soldiers), shinobi (ninja), and mid-to-upper-rank samurai, this style of lightweight armor remained a popular choice well into the “peaceful” Tokugawa period.

The word tatami refers to the foldable nature of the armor, while karuta signifies the small square or rectangular plates that are sewn onto asa (hemp linen) backing. These steel plates are arranged with small gaps between them, allowing for exceptional movement while still offering solid defense against slashes and light thrusts. The (cuirass) and kusazuri (thigh guards) are both crafted in this traditional form, making it ideal for patrol, travel, or combat where speed and discretion are essential.

This Gashira-class model includes a tate-eri (armored shoulder yoke with kikkō plating) for added neck and shoulder protection, along with kohaze (toggles) on the watagami (shoulder straps) for secure adjustment. Whether worn under a robe by a shinobi or over a kimono by a samurai, the Tatami Karuta Dō remains true to its roots — protective, practical, and always ready for action.

Key Features & Benefits:

  • Traditional Design: Authentic karuta pattern and tatami folding functionality.
  • Gashira Quality Craftsmanship: Mid-tier construction with attention to historical detail and durability.
  • Flexible & Lightweight: Ideal for movement, travel, and discreet protection.
  • Customization Options: Choice of colors, sizing, materials, and optional under-padding available.

Shipping Information:

Your custom Tatami Karuta Dō will be carefully handcrafted by our experienced katchū-shi (armorers) to exceed your expectations. Please allow at least 2 to 3 weeks for processing and careful crafting of your order.

Accessories:

  • Hikitate Eboshi – Add a traditional cloth hat to your order, traditionally worn by Samurai
  • Sarashi Belt – A traditional long cotton belt, used by Samurai to to secure their katana
  • Waraji Sandals – Bamboo straw sandals commonly used by samurai
  • Waraji-Gake – Traditional type of Japanese sock that can be worn together with the Waraji sandals
  • Tabi Socks – Two toe section sock for use with sandals
  • Yugake – Traditional samurai gloves
For more information, please review our Order Options Explained, Glossary Terms or FAQ Pages. You can also Contact Us directly. We are always happy to be of service.

References: Arms and Armor of the Samurai: The History of Weaponry in Ancient Japan  /    The Samurai: Warriors of Medieval Japan, 940-1600  /  Samurai: The Code of the Warrior   /  

Description

Lightweight Defense for Samurai, Ashigaru & Shinobi

The Tatami Karuta Dō (folding cuirass with square plates) is a traditional form of tatami yoroi (folding armor), designed to offer flexibility, mobility, and practical protection during Japan’s late Sengoku and Edo Eras. Worn by ashigaru (foot soldiers), shinobi (ninja), and mid-to-upper-rank samurai, this style of lightweight armor remained a popular choice well into the “peaceful” Tokugawa period.

The word tatami refers to the foldable nature of the armor, while karuta signifies the small square or rectangular plates that are sewn onto asa (hemp linen) backing. These steel plates are arranged with small gaps between them, allowing for exceptional movement while still offering solid defense against slashes and light thrusts. The (cuirass) and kusazuri (thigh guards) are both crafted in this traditional form, making it ideal for patrol, travel, or combat where speed and discretion are essential.

This Gashira-class model includes a tate-eri (armored shoulder yoke with kikkō plating) for added neck and shoulder protection, along with kohaze (toggles) on the watagami (shoulder straps) for secure adjustment. Whether worn under a robe by a shinobi or over a kimono by a samurai, the Tatami Karuta Dō remains true to its roots — protective, practical, and always ready for action.

Key Features & Benefits:

  • Traditional Design: Authentic karuta pattern and tatami folding functionality.
  • Gashira Quality Craftsmanship: Mid-tier construction with attention to historical detail and durability.
  • Flexible & Lightweight: Ideal for movement, travel, and discreet protection.
  • Customization Options: Choice of colors, sizing, materials, and optional under-padding available.

Shipping Information:

Your custom Tatami Karuta Dō will be carefully handcrafted by our experienced katchū-shi (armorers) to exceed your expectations. Please allow at least 2 to 3 weeks for processing and careful crafting of your order.

Accessories:

  • Hikitate Eboshi – Add a traditional cloth hat to your order, traditionally worn by Samurai
  • Sarashi Belt – A traditional long cotton belt, used by Samurai to to secure their katana
  • Waraji Sandals – Bamboo straw sandals commonly used by samurai
  • Waraji-Gake – Traditional type of Japanese sock that can be worn together with the Waraji sandals
  • Tabi Socks – Two toe section sock for use with sandals
  • Yugake – Traditional samurai gloves
For more information, please review our Order Options Explained, Glossary Terms or FAQ Pages. You can also Contact Us directly. We are always happy to be of service.

References: Arms and Armor of the Samurai: The History of Weaponry in Ancient Japan  /    The Samurai: Warriors of Medieval Japan, 940-1600  /  Samurai: The Code of the Warrior   /  

Additional information

Weight 2.77 kg
Dimensions 40 × 40 × 12 cm

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(Folding Chest Armor)

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