Get ready for the rebound. These road runners have an energy-boosting midsole that cushions your ride, and re-injects energy into your stride. The knit upper gives a smooth and secure fit, especially for medium or high arches. Durable, Fit Knit upper offers breathability and moisture management. Inner Ortholite bootie uses yarns that resist stretching over time. BioMoGo DNA foam disperse impact and provide better rebound than conventional EVA. Green Rubber outsole with patterned tread to promote efficient transitions.