Under Armour Kids GGS Apollo TWST Synthetic-and-mesh Innovative UA SpeedForm technology delivers zero distraction while running. Seamless heel cup with silicone grip for a locked-in, anatomical fit. Smooth, ultrasonic welded seaming with Bemis tape for next-to-skin support & comfort. Perforated upper with ultrasonic seal for durable breathability. Full-length Micro G foam turns cushioned landings into explosive takeoffs.