Classic Japanese tabi socks in ribbed knit 2-tone onyx black with genie blue heel accent. Features a clear non-slip "GIU GIU" grip on the bottom. Tabi socks are known to help circulation in the feet and date back to the 15th century.Responsibly and ethically knitted in Nara, Japan.CARE Machine wash or hand wash cold and air dry.MATERIALS Cotton/silk yarn from Japan.FIT One size fits most.Giu Giu’s Standards