The "oyoroi" (=big armor) is the most formal and the best one; it is called "shikisei no yoroi," the right ceremonial armor.
The armor in the photograph is the Hatakeyama Shigetada's dedication kept at the Bushu Ontake Shrine.
A "kuwagata (=hoe-shaped)" ornament is attached on the helmet as a "maedate" (=front ornament) particularly.
A "sode" (=protector for shoulder and elbow) and "kusazuri" (=protector for the lower abdomen and the thigh) are attached to the armor.
A "waidate" in the right, "kyubi no ita" (=protector board for the pit of the stomach) and "sendan" are attached to and the breast.
A "sakaita" and an "agemaki" are attached to the back.
To the left arm, " kote (protector for hand and arm)", on the hands, "yukake", to the legs "habaki (=protector for legs)", "sune-ate" (=protector for the shin), "tsuranuki", "koshi-gatana (=short sword)" and a "Hyogo-gusari" long zword is carried at the waist.
A "tsurumaki (=cane ring)", a "shigeto" bow, a "sakatsura" arrow case, and "soya" arrows.
The figure in the photograph has a "gun sen (=military fan)" of the Rising-Sun flag in his hand; he wears a "nae eboshi" cap under the helmet and a suit of "yoroi hitatare" under the armor.
"yoroi hitatare" is worn under a "nae eboshi" cap and armor.