Improved upper made with recycled materials to blend comfort and sustainability. Neutral runners searching for a soft and responsive shoe to wear during daily training. Mizuno runners who want a shoe with even more cushion and softness than the popular Wave Rider.Smooth Stretch woven upper provides a soft and secure fit by slowly stretching laterally and not stretching medially. Gusseted tongue construction offers a comfortable midfoot lockdown. MIZUNO ENERZY CORE provides excellent cushioning and energy return. MIZUNO WAVE structure creates two layers of EVA foam with different densities to boost stability without sacrificing comfort. MIZUNO ENERZY foam bottom layer for a soft and energetic ride.X10 durable carbon rubber at the heel and midfoot increase durability and allow for smooth transitions.