THESE ARE OFFICIALLY LICENSED DC COMICS SOCKS, GUARANTEED - This Flash sock set is manufactured by Bioworld, one of the leading pop culture companies in the world. Quality is always guaranteed and the products are made with customers like you in mind! COMFORTABLE & STYLISH - Made with a super soft and stretchy dual-blend fabric for that extra comfortable feel when lounging or walking. DETAILED CHARACTER INSPIRED DESIGNS - This ankle socks set features 5 different pairs each with their own designs inspired by the character we know and love through the comics, TV series, and the DCU film universe. With Flash themed patterns like his costume logo, Reverse Flash's logo, S.T.A.R Labs logo design and more, what's not for fans to love! SIZING IS AS FOLLOWS - These are Sock Size 9-11 which translates into Women's Shoe Size 5-10 and Men's Shoe Size 5-8. CARE INSTRUCTIONS - Machine wash cold with like colors, tumble dry low. Do NOT bleach. These are Officially licensed DC Comics Flash socks, guaranteed or your money back!. The Flash is known as the fastest man alive and is a founding member of the superhero team, The Justice Leauge. This no-show ankle sock set features 5 pairs with each set having their own design based on the superhero The Flash, such as a Reverse Flash pair, a S.T.A.R lab set, allover logo designs and more! You can mix and match for those quirky feeling days. Made of soft 98% Polyester, 2% Spandex. These are sock size 9-11 which fits men's shoe size 5-9 best, and women's shoe size 5-10 best