Wool Check crew Inspired by British tartan checks, these socks are crafted with 10 types of woolen yarn to faithfully recreate a classic tartan pattern. The fabric highlights the rich texture of wool, giving these socks a refined, timeless appeal. Construction : Pattern knitting Composition : 66% Wool 34% Nylon COO : Made in Japan Size guide : Size Medium : Length 10.5" and fit best for 25-28cm feet, approximately US Men's size 7-10 Size Large : Length 11.5" and fit best for 27-30cm feet, approximately US Men's size 9-12