These are officially licensed Call of Duty socks! Call Of Duty is one of the most well known and beloved first-person shooter video game series to ever come out! With incredible variations like Black Ops, Modern Warfare, World at War, Infinite Warfare, Advanced Warfare and more! These socks feature the infamous Skull wearing a beret with the Black Ops 4 logo on it. The socks are done in a bleach wash style coloring and made of a super soft 65% cotton, 33% polyester, 2% spandex fabric to blend.