Officially licensed Friday the 13th Black Light Crew Socks. These black "Friday the 13th" Black Light Crew Socks are made from a 98% polyester and 2% spandex blend with Black Light specialty yarn and features a classic "Friday the 13th" logo design with a cushioned footbed & arch compression for more support and deep heel & toe pockets for greater comfort. Fits Sock Sizes 10-13 / fits shoe size 8-12. Dimensions: Leg - 22 cm. / foot - 20 cm. / width 8.5 . Care: Machine wash cold with like colors, do not bleach, tumble dry with low heat.