For an explosive running experience, the 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 and comfort. Perforated upper with ultrasonic seal for durable breathability. Full-length Micro G foam turns cushioned landings into explosive takeoffs. TPU curve at midfoot for extra support and stability. Anatomical outsole for natural fit and performance.