It is used to protect lower half of the body as well as to avoid cling of wafuku to legs, and usually it is made with smooth fabric that causes less static electricity, such as Crepe Kimono.
下半身を保護すると同時に和服の裾が足にまとわりつくのを避けるためのもので、普通は縮緬など滑りが良く、静電気が起こりにくい布地を選ぶ。