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SKU: JING-2G-2
Original price was: $174.99.$109.95Current price is: $109.95. $109.95
Select to add the Brass colored decorative top to your Jingasa.
Select the MON you would like painting onto your Jingasa. If you would like to select a CUSTOM MON, please see the product description for details.
Add a copper TRIM around the edges of the jingasa.
The Ichimonji Gasa (straight-line hat), also known as hira gasa (flat hat), was worn almost exclusively by samurai during Japan’s feudal period. Unlike other jingasa (military hats), which were often used by ashigaru (foot soldiers), the ichimonji gasa symbolized the prestige and discipline of the warrior class. With its flat, wide-brimmed silhouette and formal appearance, it served as a functional helmet and a status marker for samurai both on foot and horseback.
Constructed traditionally from layered paper or cloth hardened with lacquer, the original ichimonji gasa provided lightweight weatherproofing against the elements. However, for battle-hardened samurai, the most robust examples were forged from tetsu (iron or steel). While slightly heavier, these steel hats offered the best protection from overhead strikes and arrows.
At Iron Mountain Armory, we honor this martial legacy by handcrafting each Ichimonji Gasa from thick 1 mm steel. This modern reproduction retains the historical form and function, delivering durability, authenticity, and battlefield-readiness. The wide brim deflects sun, rain, and incoming blows with equal ease—just as it did for mounted warriors and retainers centuries ago.
Traditionally black-lacquered, the ichimonji gasa often bore a mon (family crest) in gold, showcasing the samurai’s clan or the daimyo (feudal lord) he served. We offer a selection of optional paint colors and crests, allowing for customization in the true spirit of samurai armor. At the crown, a soft-metal kanamono (metal fitting) resembling a tehen kanamono can be added, and a kasa jirushi no kan (signal ring) at the back is available for attaching an agemaki (decorative bow).
The underside of the helmet is designed with function in mind. Four inner loops are riveted securely to support the tie-rope that secures the hat beneath the chin. A padded ring sits at the top to provide comfort and keep the helmet snug against the head. This stable design ensured the hat stayed in place—even during mounted travel—unless the rider galloped at full speed.
Whether displayed as a piece of historical armor or worn in reenactments, the Ichimonji Gasa captures the precision, elegance, and discipline of the samurai warrior.
Authentic Ichimonji Gasa Shape: Modeled after samurai-exclusive hira gasa with a wide, flat profile for sun and strike deflection.
Handcrafted from 1 mm Steel: Offers superior protection over traditional lacquered cloth or paper construction.
Custom Paint & Mon Options: Personalize your battle hat with clan insignia or custom finishes.
Interior Comfort Padding: Includes a traditional center cushion ring for added fit and long-term comfort.
Functional Chin Strap System: Historically accurate four-loop tie-rope system ensures secure wear on foot or horseback.
Diameter: 37 cm
Height: 8.5 cm
Our dedicated artisans will ensure careful processing and preparation. Please allow 4 to 7 days for crafting and processing before shipment.
| 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. |
The Ichimonji Gasa (straight-line hat), also known as hira gasa (flat hat), was worn almost exclusively by samurai during Japan’s feudal period. Unlike other jingasa (military hats), which were often used by ashigaru (foot soldiers), the ichimonji gasa symbolized the prestige and discipline of the warrior class. With its flat, wide-brimmed silhouette and formal appearance, it served as a functional helmet and a status marker for samurai both on foot and horseback.
Constructed traditionally from layered paper or cloth hardened with lacquer, the original ichimonji gasa provided lightweight weatherproofing against the elements. However, for battle-hardened samurai, the most robust examples were forged from tetsu (iron or steel). While slightly heavier, these steel hats offered the best protection from overhead strikes and arrows.
At Iron Mountain Armory, we honor this martial legacy by handcrafting each Ichimonji Gasa from thick 1 mm steel. This modern reproduction retains the historical form and function, delivering durability, authenticity, and battlefield-readiness. The wide brim deflects sun, rain, and incoming blows with equal ease—just as it did for mounted warriors and retainers centuries ago.
Traditionally black-lacquered, the ichimonji gasa often bore a mon (family crest) in gold, showcasing the samurai’s clan or the daimyo (feudal lord) he served. We offer a selection of optional paint colors and crests, allowing for customization in the true spirit of samurai armor. At the crown, a soft-metal kanamono (metal fitting) resembling a tehen kanamono can be added, and a kasa jirushi no kan (signal ring) at the back is available for attaching an agemaki (decorative bow).
The underside of the helmet is designed with function in mind. Four inner loops are riveted securely to support the tie-rope that secures the hat beneath the chin. A padded ring sits at the top to provide comfort and keep the helmet snug against the head. This stable design ensured the hat stayed in place—even during mounted travel—unless the rider galloped at full speed.
Whether displayed as a piece of historical armor or worn in reenactments, the Ichimonji Gasa captures the precision, elegance, and discipline of the samurai warrior.
Authentic Ichimonji Gasa Shape: Modeled after samurai-exclusive hira gasa with a wide, flat profile for sun and strike deflection.
Handcrafted from 1 mm Steel: Offers superior protection over traditional lacquered cloth or paper construction.
Custom Paint & Mon Options: Personalize your battle hat with clan insignia or custom finishes.
Interior Comfort Padding: Includes a traditional center cushion ring for added fit and long-term comfort.
Functional Chin Strap System: Historically accurate four-loop tie-rope system ensures secure wear on foot or horseback.
Diameter: 37 cm
Height: 8.5 cm
Our dedicated artisans will ensure careful processing and preparation. Please allow 4 to 7 days for crafting and processing before shipment.
| 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. |
| Weight | 1.18 kg |
|---|---|
| Dimensions | 10 × 38 × 38 cm |
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