School can be boring, but a school of sharks is a different matter! At shark school, you learn how to grow sharp teeth, hunt prey, and swim at top speed toward the aquarium glass before veering off at the last second. These socks feature a seamless toe construction, which means no annoying toe seam to irritate your kid's sensitive feet. Three sizes: age 2 to 4 fits kids' shoe sizes 6 to 11, age 4 to 7 fits kids' shoe sizes 10–1Y, and age 7 to 10 fits kids' shoe sizes 12–5Y. 62% cotton, 36% nylon, 2% spandex. Made in China.