Description

Wind-Slicing Elegance for the Elite Warrior

The Bajo Jingasa—also known as manju-gasa (bun-shaped hat)—was the signature battle hat of mounted gashira (officers) during the final decades of the Sengoku Jidai and into the Edo Era. This distinctively domed jingasa (military hat) was designed with horseback combat in mind, merging practical protection with aerodynamic sophistication.

Shaped like low, rounded hills, the Bajo Jingasa minimized wind resistance while riding. This streamlined form allowed mounted samurai to move with greater ease, especially at high speeds, reducing the drag often experienced with taller or peaked helmets. The resemblance to a traditional manju (steamed bun filled with red bean paste) earned this helmet its secondary nickname—manju-gasa. Whether cutting across open plains or riding through tight city streets, samurai valued this design for its comfort, sleekness, and symbolic prestige.

Originally crafted from wood, leather, and nerigawa (lacquered rawhide), the design evolved to incorporate tetsu (iron) and steel as battlefield demands increased. Each material offered new levels of durability and weight balance. Officers who earned the right to ride—typically owning their own horses—would don the bajo-gasa to distinguish themselves not just in rank, but in role.

Traditionally, these helmets were finished with rich black lacquer, often bearing a gilded mon (clan crest) on the front. These identifiers allowed units and clans to be recognized instantly across the battlefield. The interior was typically lined with hemp cloth for added comfort and breathability. Four metal rings were riveted securely inside, forming the anchor points for a two-cord tie system. One cord looped through the rings near the ears, while a second tied beneath the chin to secure the helmet during swift maneuvers.

The Bajo Jingasa offered greater quality and craftsmanship than those worn by common ashigaru, reflecting the elevated role of the gashira class. At Iron Mountain Armory, we honor that tradition by handcrafting each jingasa to order, using time-honored techniques. Customize your piece with optional paint colors and clan mon, making it a true reflection of your lineage and warrior spirit.

Key Features & Benefits

• Authentic Manju-Shaped Design: Aerodynamic dome reduces wind resistance during horseback travel.

• Traditional Craftsmanship: Hand-lacquered and lined with hemp cloth for comfort and authenticity.

• Custom Mon Options: Add your family or unit crest in gold for an unmistakable personal touch.

• Functional Tie System: Four-ring internal setup with dual cords for a secure, battle-ready fit.

• Gashira-Class Quality: Higher refinement suited for officers and mounted samurai.

Shipping Information

Each Bajo Jingasa is handcrafted by our skilled artisans. Please allow 1 to 2 weeks for processing and careful crafting before shipment.