And "sekitai (=stone belt)" is not worn.
The full court dress was also called "hinoshouzoku" (=dress for daytime). On the other hand, "ikan" was referred to as "tonoishouzoku" (=dress for home).
However, "tonoishouzoku" was soon to be worn to get on the floor of the Imperial Palace.
It seems that since "i "(=clothes ) and" kan" (=crown) mean government posts, the costume for a government official was named "Ikan."
There is no distinction between a civil servant and a military officer with regard to "Ikan" (=outer robe and trousers).
Fundamentally, the Imperial Court people of the third or higher ranking were "kugyou (=high ranking courtier) and those of the fourth and fifth ranking were "tenjou-bito" (=court nobles).
As a winter costume of court nobles of the fifth rank, the composite figure wears a "ho" (=robe) in purple color and "sashinuki" (or nu-hakama=long divided skirt) without crests at it.
Moreover, it puts in "tato-shi" (=pocket paper) into the bosom, and it has "hioogi (=fan)" in its hand, and it is transitory in "shitozu" "[-- if an aristocrat is 40 or more years old could wear "shitozu", when he is allowed particularly.]