Also written 帷子. An unlined garment worn in summer since the Heian period. For court nobles, it was woven with cotton, hemp, or ramie. Since the early Edo period, unlined *kosode 小袖 woven with cotton, hemp, or ramie were also called katabira. Aristocratic women wore katabira woven with *jōfu 上布 from Echigo 越後 and Satsuma 薩摩 Provinces (now Niigata and Kagoshima Prefectures), or narazarashi 奈良晒 (bleached cloth) and decorated with chayatsuji 茶屋辻 (indigo-dyed patterns and embroidery). Because the katabira were worn in the summer, designs usually suggested coolness. The name katabira was also used for the curtain hung from aristocrats' sleeping platforms *chōdai 帳台 or cloth screen, kichō 几帳, made with raw silk for summer and glossed silk for winter.