These are the Officially licensed product, guaranteed! This no-show ankle sock set features 5 pairs of socks. One white pair with the NASA logo, a glittery pair with the man on the moon, a navy blue pair with a rocketship and two grey pom-poms on the back, a light blue pair with stars and NASA written across the top, and one white pair with the American flag and the script "Property of NASA". 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. Show your adventure for space with these cool socks.