The Under Armour Speedform Apollo 2 running shoes have been updated with more responsive cushioning and a better arch support to make them more comfortable and efficient for runners. You’ll experience a softer underfoot feel that lessens the shock of impact. That sleek, innovative look remains with the addition of more durability.Upper: Smooth Ultrasonic welded seaming with Bermis tape offers next-to-skin support and comfort. Perforated upper with ultrasonic seal provides durable breathability. Lace-up front offers an adjustable fit. Midsole: Innovative UA SpeedFoam® technology delivers zero distraction while running. Arch reinforcement construction delivers precise fit and foot guidance. Embedded sockliner within cavity of midsole gives 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.Outsole:Foam infused into the heel provides better lockdown and plush comfort. Anatomical rubber outsole for natural flex and durability.