Featuring ASICS’ most responsive midsole cushioning, FLYTEFOAM turbo cushioning, the Metaspeed Edge offers some of the most innovative racing technology on the market. The foam is combined with a rigid carbon-fiber plate that gives it’s athletes exceptional energy return to faster from start to finish. It’s unique rocker encourages a smoother ride and assists its user in propelling you forward through to your next stride. The rocker was designed to increase efficiency and conserve energy.