Enjoy smoother, faster, and more comfortable runs with this shoe loaded with Mizuno's technology. It features SMOOTH SPEED ASSIST technology for ideal gait, MIZUNO ENERZY XP midsole material for lightweight softness and energy return, and MIZUNO ENERZY NXT at the bottom midsole for a more stable running experience. This shoe will help you maintain a steady rhythm and gait for everything from practicing for competitions to running for pleasure. | Glass Fiber Infused Nylon MIZUNO WAVE® Plate: Super responsive with increased flexibility for a gentler ride with medial and lateral support. Smooth Speed Assist: Mizuno's signature geometry that is designed for maximum performance. The significant heel bevel encourages an efficient midfoot landing, the midfoot contact point supports the calf and the aggressive forefoot rocker delivers a smooth and propulsive transition. Engineered Mesh Upper: Both breathable and durable for high performance. Internal Support Strap: Securely holds mid-foot area. Lightweight Heel Counter Triple Shoelace Loop: Keeps tongue in correct position while running. Rubber Outsole: Designed for a softer landing. Eco Friendly Materials: Recycled materials MIZUNO ENERZY XP: Fusion of high level softness, response, and light weight for unbelievable performance. MIZUNO ENERZY NXT: The next generation of MIZUNO ENERZY midsole material. Designed to maximize energy return and cushioning for optimum performance.