Innovative UA SpeedForm? technology delivers zero distraction while running. Foam infused into heel to provide better lock down and plush comfort. Smooth, ultrasonic welded seaming with Bemis tape for next- to-skin support and comfort. Perforated upper with ultrasonic seal for durable breathability. Arch reinforcement construction for precise fit and foot guidance. Embedded sockliner within cavity of midsole for added cushioning, moisture wicking and seamless comfort. Dual-layer midsole combines Charged Cushioning on top of Micro G? foam for the ultimate blend of cushioned support and explosive responsiveness. Anatomical rubber outsole for natural flex and durability. Offset : 8 mm.