The momentum continues. Building on the successful "flight experience" of the original DynaFlight shoe, the speed-fueling update is ready to jet. ASICS DynaFlight 2 model presses repeat on full-length FlyteFoam Midsole Technology and adds wings in the form of a new Adept Mesh upper, for increased breathability, decreased overall weight and reduced chance of blisters. DynaFlight 2 model is here to give you superb, responsive cushioning with a lightness you might never have thought possible. Prepare to accelerate.