Innovative UA SpeedForm® technology lets you run without distractions. Dyneema®, the most resistant fiber in the world, is woven into the upper for supreme lasting flexibility. The seamless asymmetric compression zone propels your feet faster than ever before. Padded tongue in mesh layers for improved comfort and fit. The Charged Cushioning® midsole has a layer of soft, comfortable foam over another denser layer to provide the ideal blend of comfort and responsiveness. The full-length rubber sole improves durability, grip and support.