• Traditionally Handcrafted
  • Customizable
  • Shipped Direct From The Armory
  • Best Price Guarantee
  • World wide delivery
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Date Masamune Taisho Gusoku

Date Masamune Taisho Gusoku
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SKU: T200

Original price was: $4,599.99.Current price is: $4,139.99. $4,139.99

  • Select the Color & Finish of your Do (cuirass).
    Samurai Chest Do Color & Finish Option by Iron Mountain Armory

    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 Lace Color for the Haidate (Armored Apron)
    Date Masamune Taisho Samurai Armor by Iron Mountain Armory

    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 Linen Material or Art. Silk Brocade used for your Armor parts. 

    Art Silk Brocade Options for Samurai Armor, Yoroi and Clothing

    Select the Leather Color and/or Egawa (pattern) used of your armor parts.
    Leather Egawa Option for Armor Sets by Iron Mountain Armory
    (Haidate (armored apron), Light or Medium Suneate (shin armor))

    Select the style of Suneate (shin armor) you would like for your armor.

    Suneate Style Reference by Iron Mountain Armory
    (Picture is for reference only.)

    Select if you would like your armor with a Smooth Finish or Raised Rivets (add rivets to helmet and chest).

    Do Rivet Options







    Select to receive a Digital Picture Mockup (Simulation) of your order. We will email you a Mockup for your review before we start crafting your item. You can Approve or request Changes before we start crafting your item.





    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.

    A series of Additional Options for your Armor, which may incur extra costs.

    This option is available for Suji-Bachi Style Helmets, and allows you to chose how many plates are used to craft the “bowl” section of your helmet. The Standard Option is “Simulated” which means the helmet bowl will be crafted from a single sheet of steel and made to look like it is crafted from several pieces.Laminated Kabuto Example by Iron Mountain Armory

    Select to change, customize or remove the front crest (maedate) on the helmet. You can select a standard brass mon (symbol), your own custom mon / logo or a wooden or brass design. Please reference our "Order Options Explained" page for more details and reference.Crest (Maedate) Example by Iron Mountain Armory


    (Click through the product images to see different Standard Mon Options and referenced number.)

    Add a Kasa Jirushi no Kan (ring with tassel) to the back of a helmet with an Agemaki Bow (a specially knotted cord).Kasa Jirushi No Kan

    Customize the visor of your helmet with embosed eyebrows and/or wrinkles.
    Kabuto Visor Options - Miage Shiwa - Mayu

    Select your choice of face armor available for your yoroi.  Standard and Ressei Menpo option will give you nose and mustache options.  Henpo and Hoate are without nose option.

    Gashira menpo Options by Iron Mountain Armory

    Add character to your armor by selecting a custom mustache option.menpo mustache options(This option is only available with certain mask / nose styles.)

    Select to add 1 or 2 Chest Rings (Saihai no kan & Tenugui no kan) to your Dō, used to display tassels or hold a saihai or gunbai.
    Do Chest Rings Saihai no kan & Tenugui no kan Custom Samurai Armor Options by Iron Mountain Armory

    (Select option from the perspective of wearing the armor)

    This option will REMOVE the brass fittings needed to tie your sode (shoulders) to the back of the Do (cuirass).

    Agemaki no Kan

    Used so your sode do not fall forward


    Add a Banner Holder (Machi-Uke) to the back of your Gashira or Kachi Dō (chest armor) so you can attach a Sashimono (war banner) to your armor set.

    (Add Optional Wooden Banner Base)

    Add 1 or 2 WAIST RINGS (holding rings) to either side of your Dō (chest plate), used to hold bags, tie a weapon, Gunbai and/or your Sarashi in place.  We recommend adding both if you are training in your armor. 
    Wist Holding Rings Options for Custom Samurai Dō by Iron Mountain Armory
    (Select option from the perspective of wearing the armor)

    This option offers to make your kuzazuri (skirt plate) detachable / interchangeable.  Commonly used in the past for fast repair / replacement of the kuzazuri, or removable for fast and quiet movement of troops. Kusazuri Options

    A series of MON OPTIONS (crest) for your suit of armour and it's accessories.

    Add a symbol (mon) to the ears (fukigaeshi) of your helmet. This can be a standard mon or custom design you can email us in "Clip-Art" format.
    Fukigaeshi by Iron Mountain Armory(Click through the product images to see different Standard Mon Options.)

    Select the Mon (symbol) to be painted on the front of your Dō (chest plate).Makie Do Toyotomi Clan Gashira Samurai Armor(Option Not Available with Suna finish)

    Option Not Available with Suna finish

    Choose to add Samurai or Custom Mon (symbol) to your Yoroi Bitsu (armor box). Custom Mon's needs to be e-mailed to us in a mono-color, “Clip-Art” format.Akai Oni Taisho Yoroi(Click through the product images to see different Standard Mon Options.)

    Select between standard sized armor sets or fully custom sized

    Select the armor size you prefer.

    Standard Size: fits most people 167–182 cm tall (≈ 5'6"–5'10").
    The torso is cut with an 11 cm (~4 in) taper from chest to waist.

    To choose correctly, measure your chest at full inhalation and use that measurement as your reference.
    If your in between sizes it is often best to order 1 size larger.

    To choose correctly, measure your chest at full inhalation and use that measurement as your reference.
    If your in between sizes it is often best to order 1 size larger.

    Measure your waist at the navel (belly-button level) and choose that size.
    Unsure? Pick the next size up for a looser fit.

    Important: The waist is traditionally 4 in / 11 cm smaller than the chest.
    We cannot make the waist larger than your chest measurement.

    Please select your height. Our standard armor is designed to best fit individuals between 167 cm and 177 cm tall (approximately 5'6" to 5'10"). This helps us ensure the best possible fit for your armor.

    Please select your weight. This information is used for reference only to help us better understand your body type and guide the overall shape and fit of the armor. It does not affect the quality or class of the armor, and all sizing details can still be adjusted if needed.

    These accessories will be added with your armor set shipment.

    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 a Large Yoroi Obi Belt to your order—a padded “pillow” belt worn beneath the armor. It cushions and protects the hips while keeping the chest armor securely positioned. 
    This material will match the main material you select for your armor.

    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

    Extra Design Options


    Gashira (Officer):
    Expertly handmade from a mixture of quality traditional and modern materials, as well as some modern crafting process. This class of armor is crafted with a good attention to detail.


    Crafting Time: 20 to 35 Days.


    Materials Used: Bowl style kabuto, steel construction, traditional brocade, hemp, quality cotton, brass, copper fittings with genuine leather & and some synthetic materials might be used. (materials may differ depending on model)



    Our “Gashira Class” yoroi represents the next level up from our “Kachi Class.” Each suit is meticulously handcrafted by our experienced katchû-shi (armor smiths) at Iron Mountain Armory. These artisans pour their warrior spirit into every piece, using quality materials and traditional crafting methods, complemented by modern techniques, tools, and design advancements. Like the Taisho Class, each suit is heavily researched and crafted with great care for historical accuracy. The principal difference between the Gashira and Taisho classes is that the Gashira Class is crafted with a practical bowl-style kabuto (simulated laminate) and some machine-stamped parts. The Gashira Class also features subtle modern enhancements, such as grommets and spot welding, making the armor more robust and easier to maintain. Our Gashira Class samurai armor is made for collectors, exhibitions, re-enactors, and martial artists who desire an authentic “Gendai” samurai suit of armor without the additional expenses associated with the more traditional design and handcrafting methods of our Taisho Class.




    The Gashira Class features a more traditional Gendai design compared to the Kachi Class and includes features such as real animal hair, genuine leather, a removable or interchangeable nose, brass fittings, shoulder padding with kikko (armor plating), traditional butted mail, opposable thumbs, leg/waist support on haidate, extra materials, fittings, riveting, grommets, additional lacing options, and an included armor storage/display box (yoroi bitsu) with stand. The attention to detail is a significant step up from the Kachi Class. However, due to the handcrafted nature of many parts, there may be some blemishes that pass through our QC process. Although we strive to avoid and correct these blemishes, they are a natural occurrence in handcrafting. Taisho Class suits will have fewer, if any, of these blemishes due to the high standards and meticulous review processes.

    These are optional, and come with additional costs. These Options will override the MAIN PAINT option for ONLY the parts selected here.

    Select the color & finish your Helmet will be painted.Kabuto Terms and Options by Iron Mountain Armory

    Select the color and finish for your Fukigaeshi (ears) of your kabuto.
    Fukigaeshi Color / Finish Option by Iron Mountain Armory

    Select the Color & Finish of your Menpo (Face Armor).
    Menpo Color Finish Option by Iron Mountain Armory

    Select the Color & Finish for your Shikoro (Neck Guard).
    Shikoro Color Options by Iron Mountain Armory
    (You can change the BOTTOM PLATE using "Advanced Custom Options" below.)

    If you would like to change the color of the BOTTOM PLATE of your Shikoro, you may select it here.  If not it will match the option your provided above.(This option should only be chosen if you would like the neck plates to be a different color than those of the main Helmet.)

    Select the color & finish your Tare will be painted.
    Menpo Details, Terms and Options


    (This option should only be chosen if you would like the throat plates to be a different color than those of the mask.)

    Select the color & finish your Tare Bottom Plate (Suso no ita) will be painted.
    Menpo Details, Terms and Options


    (This option should only be chosen if you would like the throat plates to be a different color than those of the mask.)

    Select the color & finish your Sode will be painted.
    Sode Color Options

    Select the color & finish your Sode Bottom Plates (Suso no ita) will be painted.
    Sode Terms and Options
    (Image for reference only. Options may differ between classes and models)

    Select the Color & Finish of your Do (cuirass).
    Samurai Chest Do Color & Finish Option by Iron Mountain Armory


    Select to change the Kusazuri (Skirt) Color / Finish.

    Kusazuri (Skirt) Color / Finish Options


    (If left blank it will match the MAIN ARMOR COLOR option selected above.)

    Select the Color & Finish your Kusazuri (Gessan) Bottom Plates.
    Kusazuri (Gessan) Bottom Plate Option by Iron Mountain Armory

    Select the Color & Finish for your Haidate (armored apron).
    Haidate Color & Finish Option by Iron Mountain Armory

    Select the Color & Finish for your Suneate (shin armor).
    Suneate Color & Finish Option by Iron Mountain Armory

    Select the color & finish your Sode will be painted.
    Sode Color Options

    Select the color used for the BOTTOM HORIZONTAL LACE, on ALL Bottom Hanging Plates.
    (If left blank MAIN LACE COLOR will be used)
    Bottom Horizontal Lace Color Options by Iron Mountain Armory
    (Image for reference only. Options may differ between classes and models)

    Select the COLOR of the VERTICAL / SIDE LACE of your Sode.

    Sode Vertical / Side Lace Options Custom Samurai Armor

Claim Your Legacy – Armor of the One-Eyed Dragon

Date Masamune was a legendary Daimyō (feudal lord), renowned for his sharp military strategies and unmatched presence during the late Sengoku (Warring States) and early Edo (Peaceful States) periods. Revered as the “Dokuganryū” (One-Eyed Dragon of Ōshu), Masamune’s legacy was amplified by his iconic crescent moon maedate (helmet crest) and his bold leadership in founding the powerful Sendai domain.

The gomai-dō (five-section cuirass), favored by the Date Clan, became known as the Yukinoshita-dō or “Sendai Dō” due to its prominence in the region Masamune founded. Based on the yokohagi-okegawa (horizontal tub-sided cuirass) design with ito-mono (long plate) lamination, this style provided both exceptional protection and a striking aesthetic—making it a popular choice among high-ranking samurai for its balance of strength, comfort, and customization.

Iron Mountain Armory’s senior katchû-shi (Japanese armor smiths) have meticulously recreated this historic armor using traditional crafting techniques. The armor features a 32-plate suji-bachi kabuto (laminated helmet), which can be customized in plate count or replaced with another style of kabuto to match your vision. The armor’s vibrant crescent maedate shines as a symbol of ambition and fearlessness.

Like all of our Taisho-class yoroi, this full-sized suit is fully functional and handcrafted to your specifications. You can personalize every element—from the paint and odoshi (lace) color to the helmet, mask, and mon (clan crest)—ensuring a truly unique piece of samurai heritage.

Key Features & Benefits:

  • Taisho Class handcrafting – elite quality & historical precision
  • Full-sized & functional for reenactment, martial training, or display
  • Gomai-dō cuirass (Yukinoshita-dō) with yokohagi okegawa structure
  • Optional customization for color, lace, size, kabuto, & more
  • Includes display box & wooden armor stand

Shipping Information:

Your armor will be crafted by our most experienced Taisho katchû-shi using traditional methods and carefully selected materials. Please allow at least 2 to 3 weeks for hand-forging, assembly, and final preparations. This suit is a statement of prestige—an heirloom that honors the legacy of one of Japan’s most iconic daimyō.

Ride with the One-Eyed Dragon – Become Legend in Steel

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: Samurai Archives / Samurai Armour: Volume I: The Japanese Cuirass by Tervor Absolon

Description

Claim Your Legacy – Armor of the One-Eyed Dragon

Date Masamune was a legendary Daimyō (feudal lord), renowned for his sharp military strategies and unmatched presence during the late Sengoku (Warring States) and early Edo (Peaceful States) periods. Revered as the “Dokuganryū” (One-Eyed Dragon of Ōshu), Masamune’s legacy was amplified by his iconic crescent moon maedate (helmet crest) and his bold leadership in founding the powerful Sendai domain.

The gomai-dō (five-section cuirass), favored by the Date Clan, became known as the Yukinoshita-dō or “Sendai Dō” due to its prominence in the region Masamune founded. Based on the yokohagi-okegawa (horizontal tub-sided cuirass) design with ito-mono (long plate) lamination, this style provided both exceptional protection and a striking aesthetic—making it a popular choice among high-ranking samurai for its balance of strength, comfort, and customization.

Iron Mountain Armory’s senior katchû-shi (Japanese armor smiths) have meticulously recreated this historic armor using traditional crafting techniques. The armor features a 32-plate suji-bachi kabuto (laminated helmet), which can be customized in plate count or replaced with another style of kabuto to match your vision. The armor’s vibrant crescent maedate shines as a symbol of ambition and fearlessness.

Like all of our Taisho-class yoroi, this full-sized suit is fully functional and handcrafted to your specifications. You can personalize every element—from the paint and odoshi (lace) color to the helmet, mask, and mon (clan crest)—ensuring a truly unique piece of samurai heritage.

Key Features & Benefits:

  • Taisho Class handcrafting – elite quality & historical precision
  • Full-sized & functional for reenactment, martial training, or display
  • Gomai-dō cuirass (Yukinoshita-dō) with yokohagi okegawa structure
  • Optional customization for color, lace, size, kabuto, & more
  • Includes display box & wooden armor stand

Shipping Information:

Your armor will be crafted by our most experienced Taisho katchû-shi using traditional methods and carefully selected materials. Please allow at least 2 to 3 weeks for hand-forging, assembly, and final preparations. This suit is a statement of prestige—an heirloom that honors the legacy of one of Japan’s most iconic daimyō.

Ride with the One-Eyed Dragon – Become Legend in Steel

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: Samurai Archives / Samurai Armour: Volume I: The Japanese Cuirass by Tervor Absolon

Additional information

Weight 27 kg
Dimensions 54 × 54 × 64 cm

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