Stylist Notes RoToTo's Washi Pile Crew Sock uses yarn that is also used to make Japanese banknotes. Utilising light, resilient, and absorbent Manila hemp, this fabric is known for being challenging to work with and requiring specialised equipment and skill. done with a rolled hem that is not quite done. Product Features 1 Pair  45% cotton / 35% washi (Japanese paper yarn) / 18% nylon / 2% polyurethane Unfinished rolled hem Made in Japan Product Code: Washi Pile Crew Socks - Ivory