Feel the speed in your sprints, whether you are training for competitions or setting new records. This shoe now includes SMOOTH SPEED ASSIST's unique heel-to-toe geometry, which minimizes muscle tension and encourages a natural mid-forefoot strike, along with a glass fiber-reinforced nylon MIZUNO WAVE plate for increased flexibility. The eco-friendly Pebax Rnew®-infused MIZUNO ENERZY LITE+ enhances sustainability, while MIZUNO ENERZY FOAM ensures softness and resilience to boost performance, providing exceptional cushioning and energy return.