Wearing Noshi meant a close relationship to the Emperor, originally Noshi was allowed for maternal relatives or a lecturer in the Imperial Household to wear, ("Kinpisho"), in the Medieval period there was no strict rules as to who were allowed to wear Noshi, most of the court nobles who held their position for a few years could wear Noshi.
直衣での参内は天皇との私的なつながりを持つことを意味し、外戚や侍読等には優先的に許されるのが本来であったが（『禁秘抄』）、中世には基準が曖昧化して、公卿である程度年数を経たものが許された。