Whether you're on the run or lounging around the house, these Sonic Japanese Design Ankle Socks are cool and comfortable. And who knows, they might even inspire you to run faster! Featuring designs of the iconic Sonic the Hedgehog, these unisex socks are made from 98% polyester and 2% spandex. Measures size 9-11. Machine wash cold with like colors. Do not bleach. Tumble dry with low heat.