You won't have to worry about keeping your feet busy when you're rocking these officially licensed The Riddler Crossover Crew Socks. These Crossover x DC Comics Crew Socks are made from a cotton/polyester blend and feature a 200-needle, ultra-limited edition knitted The Riddler character design. Mix and match all your favorite heroes and villains from the DC Comics Universe on your own two feet. Men Shoe Size: - 7.5 - 12.5 / Women Shoe Size: 9 - 14.