Rototo Horizon Stripe Socks(Beige)* Avoid tumble drying, as it may cause shrinkage. Size: S(22 25 cm), S(25 27cm), L(27 29cm) MATERIAL 34%Cotton, 34%NYLON, 29%POLYESTER, 3%Polyurethane Made in Japan. About Rototo: RoToTo's socks are produced at a factory on Koryo Town, Nara Prefecture, which boasts the largest production of socks in Japan. They work with craftsmen and discuss "manufacturing" at the site (factory). They use a rare special knitting machine, which is limited in number in