This stellar socks pair comes mismatched as a Robot & an Alien. We don't have to match to be besties! Let's create a friendlier world.. This pair of alien and robot socks comes with a #18 collectible PalsCard! On each card, kids can name their new Pals and learn how they met.. Details. Kids 1-3 fits most US Youth Shoe Size 2-7.5. Kids 4-8 fits most US Youth Shoe Size 7-12. No-Skid Grips for Safety. About The Socks. Quality thickness to prevent holes. Super stretchy, comfy socks kids love!. Combed Cotton 76% Polyester 13% Nylon 9% Spandex 2%. Machine wash cold, tumble dry low for optimal care