NIKE Revolution Running Shoes Mesh upper with leather leather overlays - for breathability and support during your training or running or training. Articulated full-length Phylon midsole - for lightweight cushioning and a more natural feel when running and training. Deep flex grooves - that extend to the midsole for enhanced natural range of motion when working out and running. EVA sockliner - Built in lightweight making it easier for you to manouvre around. Waffle pattern Outsole - for improved proprioceptive feedback and traction that encourages a more neutral, efficient stride