These cotton rich burgundy and white spotted socks are made with an antibacterial technology and they are designed with a reinforced heel and toe. You can purchase them in size medium or large. Medium: Size 6 - 8.5 (39 - 43) Large: Size 9 - 12 (43.5 - 46.5) 70% Mercerized Cotton + 30% Polyamide Please note that for hygiene reasons our socks are non-returnable.