It has became the present design through various improvements in shape and materials after carefully examining portability and mobility of a wearer based on an amour and a kabuto (helmet).
鎧並びに兜を基として、携帯性や着装時の動きやすさを吟味した上で形状・材質等の改良が重ねられてゆき、現在の様式へと変化した。