- Under Armour Boys' Top Size Chart - Big Kid - Under Armour Boys' Top Size Chart - Toddler - Under Armour Boys' Top Size Chart -Infant - Under Armour Boys' Bottom Size Chart - Big Kid - Under Armour Boys' Bottom Size Chart -Infant - Under Armour Boys' Top Size Chart - Little Kid - Under Armour Boys' Bottom Size Chart - Toddler - Under Armour Action Sports Chart - Under Armour Boys' Bottom Size Chart - Little Kid - Lock in your shin guards and own the pitch in the Under Armour® Kids Magnetico Over-The-Calf Socks, performance soccer socks with embedded arch support and moisture-wicking UA Tech™ fabric that keeps feet dry and locked in from warmup through final whistle. The over-the-calf length provides full coverage under shin guards while ribbed construction prevents bunching and sliding. - Embedded arch support delivers a secure, supportive fit during play. - Reinforced heel and toe for extended durability through a full season. - 95% polyester, 3% spandex, and 2% nylon. - Machine wash cold and tumble dry low. - Imported. Measurements: - Weight: 2.8 oz - Product measurements were taken using size SM (US 13.5-4.5 Big Kid Shoe Size). Please note that measurements may vary by size.