The Under Armour UA Team Cushioned Over The Calf Youth Socks in Royal Blue are designed for athletic performance and comfort. Made from nylon, polyester, and spandex, these socks feature arch support, cushioning, moisture-wicking, and anti-odor technology. The over-the-calf length and solid blue color make them suitable for various sports activities and seasons. Perfect for boys in sizes 10.5K to 13K, these socks are a stylish and practical addition to any young athlete's wardrobe.