Yoroi hakama (armored pants), brocade cloth with kikko armor attached to the thigh area. These are short pants (ko-bakama), the addition of kikko armor would make these "kikko ko-bakama".
<a href="//commons.wikimedia.org/wiki/User:Worldantiques" title="User:Worldantiques">Worldantiques</a>
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<span class="int-own-work" lang="en">Own work</span>