These athletic socks are probably as tough as Sasquatch, which works out because kids need clothes that can keep up.That's why this collection is made from cotton thicker than your average sock, and offers a cushioned footbed, arch support and seamless toe. FEATURES Crew height Comfort ribbing for a secure, snug fit that limits slipping Dynamic arch support with light compression to provide extra comfort and lessen fatigue Cushioned footbed with uber-squishy padding for your heel, arch, and toe Flat knit seamless toe which limits irritation or chafing FIBER CONTENT 64% Cotton, 34% Nylon, 2% Spandex SIZE DETAILS 7-10 Years (Shoe Size 12-5 Youth) CARE INSTRUCTIONS Machine wash cold. Do not bleach. Tumble dry low or hang to dry.