adidas Boys Youth cushioned 6-Pack Quarter sock 98% Polyester/2% Spandex Imported Cushioned in the foot for comfort and durability Mesh on top of foot to keep your feet cool and dry Stain resistant treatment to fight tough stains Feature adidas' pair matching System with the stripe color on inside of cuff matching the size Available in 3 sizes: small fits shoe sizes 9C-1Y, medium fits shoe sizes 13C-4Y, large fits shoe sizes 3Y-9