FoxRiver Kids Boreal Over-The-Calf Medium Weight Socks 55% polyester/43% Nylon/2% Spandex Made in US Made from thermolite with insulating fibers; medium weight socks for kids These over-the-calf socks provide gentle compression and moisture wicking for Warm, Dry, happy feet A cushioned Shin and sole protect your little one from bumps and bruises from top to bottom Vented panels remove moisture and keep your child Dry all day long Made in the USA; urfit system provides arch support and memory-knit construction