Whenever the 'hitatare' was mentioned in the noble society of the Heian period, it usually referred to 'hitatare-fusuma' (a futon (blanket) shaped like a kimono and stuffed with silk and cotton), similar to present day kaimaki futon (a comforter with sleeves)).
なお、平安時代の貴族社会で「直垂」といえば、普通「直垂衾」（着物の形をした絹綿入りの布団。今のかいまき布団のようなもの）をさす。