Back In Black kids knee high socks by American Socks are the ultimate retro skate style statement for your kid's feet. American Socks kids retro knee high socks are knee high socks finished in black with triple white stripes. Suitable for skate, roller derby and everyday life. American Socks are one size fits all (EU shoe size 36 to 46). Produced using eco friendly production methods and materials, American Socks feature an antibacterial and odour control cotton blend that is heavy duty and fully machine washable.