PRODUCT DESCRIPTION Official Y1 X ESM HC Playing Socks. Made in the UK. SPECIFICATIONS Official Y1 X ESM HC Playing Socks Cool max foot Made in the UK SIZE GUIDE L; 6-11 *Ethical Credentials - All factories that are involved in the ENVO2.1 Playing socks production are certified and authenticated by 3rd party inspectors, including the BSCI & SEDEX. Y1 SPORT SUSTAINABILITY BLOG