IGNITE DISC Running Shoes:The IGNITE DISC offers a quick fit, allowing you to put your shoes on and go. A custom secure fit, along with stretchable foam and net mesh, hugs the foot, providing comfort and breathability. IGNITE is a superior cushioning material that disperses impact forces while providing optimal responsiveness and energy return to make you faster. Our unique PU foam formula offers high rebound and ultimate comfort where you need it the most. ForEverFoam is integrated in the heel to provide durability for long-lasting performance.DISC FIT System for a quick and easy fit.Comfort Foam upper with breathable net mesh.Moulded EVA sockliner hugs the arch.IGNITE Foam midsole for high-rebound cushioning.Chevron flex grooves for increased energy return.ForEverFoam at heel for optimal durability.Flexibility through forefoot flex grooves.Transition Line mimics the natural gait pattern.Smoother toe-off for a fluid ride.EverTrack for durability in high-wear areas.Lightweight – only 312g.