Glide Through The Sky This shoe was crafted and enhanced for runners who love a cushioned running experience that almost feels like floating. The top midsole is now made from MIZUNO ENERZY NEXT (nitrogen infused) for even better cushioning and energy return. Together with the MIZUNO ENERZY NXT (EVA base) bottom midsole the result is a plush and stable max-cushioned shoe. MIZUNO ENERZY NXT Mizuno's next-generation standard material made using eco-friendly resources that offers softness, excellent energy return, and a great light weight. It is equipped in the top midsole. MIZUNO ENERZY FOAM MIZUNO ENERZY offering amazing cushioning and energy return is inserted in the bottom midsole. MIZUNO WAVE Enhances stability during running without skimping on softness. Smooth Stretch Woven Offers a soft, enveloping fit for comfort.