For trainers that never weigh you down, the Nano X4 has you covered, featuring a FLEXWEAVE upper for breathability and feather-light support, while a midfoot panel promotes continuous airflow for added comfort. Experience premium support through the innovative Lift and Run Chassis system, providing stability and structure during every move. Lightweight FLEXWEAVE woven textile upper Midfoot ventilation Training shoes, intended for lifting Reebok Nano X4 - White/Gum/Pure Grey 2