The Under Armour Youth All-Sport Crew Socks offer moisture-wicking, quick-drying comfort. With HeatGear® technology, their feet will remain cool during high-octane activities. Also feature Embedded Arch Support to reduce foot fatigue and ArmourBlock® to reduce the growth of odor-causing bacteria. Charged Cotton® footbeds with traction control. Made of 71% polyester, 19% cotton, 7% nylon and 3% spandex for softness with stretch. Imported. Kids' size: L(1 to 4). Colors: Black, High-Vis Yellow.