A Courtier's Everyday Hat Becomes Ritual Headwear

The eboshi is a tall cap of lacquered paper or silk stretched over a stiffened frame, worn by Shinto priests at rites and festivals in combination with the kariginu or other vestments. Like most of the Shinto priestly wardrobe it began as ordinary Heian court headwear rather than as purpose built ritual dress: adult men of the aristocracy and, later, of the samurai class wore some form of eboshi as a basic mark of having come of age and taken adult status, in styles that ranged from soft folded caps to the tall lacquered shape now associated specifically with shrine use. As secular fashion moved on, the shrine priesthood retained the older courtly headwear much as it retained the kariginu and joe robes, so that what looks distinctively religious today is substantially a preserved fragment of everyday medieval Japanese dress.

Breen and Teeuwen's history of Shinto situates this pattern of retention within the broader story of how the modern priesthood's visual identity was assembled from surviving court practice rather than freshly invented. Surviving portraits and illustrated scrolls from the Heian and later periods give scholars much of what is known about how eboshi were actually worn day to day, since the caps themselves, made of comparatively fragile lacquered paper, rarely survive from the earliest period in usable condition.