Stretchy upper adds breathability and creates a cozy, sock-like fit. Iconic mid-foot cage adds textural contrast to the synthetic upper while helping support your foot. Nike Air unit in the heel adds comfort that lasts. Flex grooves on the outsole help with the natural motion of the foot. 5 dots on the midsole reference the Nike Alpha Project, which the original Air Presto emerged from and which focused on the advancement of innovation and performance.