boy socks Cotton grey series winter thermal thicked 5 pairs ages 5 years, 6 years, 7 years,8 years,9 years old

Fabric type: 75% cottonCare instructions: Machine WashOrigin: Imported5 pairsSpring Autumn Winter ,suggest for temperature -2°C to 20°C.Thickened Cotton (75% Cotton),more durable for repeated wear and machine washing,75% cotton + 25% Elastic wear-resistant fibersoft , made it more suitable for sports training, elastic, supple , btreathable and durable.1:1 scientific ratio for foot botoom length and sock height, better to protect kids ankle.grey series sock , designed for kids ages 3-9 years old. Perfect for everyday use. first-class materials and excellent craftsmanship ensure long-lasting durability.