Rototo Organic Cotton & Recycled Polyester Crew Socks

64% cotton 20% polyester 14% nylon 2% polyurethane

A medium thin weight sock with a bouncy stretch and sleek feel, contrast toe and heel, and embroidered "ROTOTO" on back ankle

Made in Japan

Sizing 

small = women 6-9 / men 5-8

medium = women 9.5-11 / men 8.5-10

large = men 10.5-12