Oklahoma City Thunder Youth Size NBA Constellation Crew Kids Socks (4-8 YRS) 1 Pair - Russell Westbrook 83% Acrylic/14% Polyester/2% rubber/1% Spandex - 1 Pair Youth shoe sizes 13, 1-5 (Approx. 4-8 years old) Built for comfort and long lasting durability Officially licensed product Machine Washable