Sharks are the coolest, there is hardly a doubt. And if they're lurking nearby you better watch out! They're fast, fierce predators with so few competitors, they make all the other beasts feel like trout! These kids' knee highs fit kids ages 3-6 (shoe size 8-13) and ages 7-10 (shoe size 1-5). 71% cotton, 27% polyester, 2% spandex. Made in Korea.