Feel the speed in your sprints, whether you are training for competitions or setting new records. Plant-based material (Pebax Rnew®) infused MIZUNO ENERZY LITE. MIZUNO ENERZY (FOAM): Offering versatility in its application, while still maintaining softness and resilience.  It will help enhance performance capabilities. Glass Fiber Infused Nylon MIZUNO WAVE® Plate Smooth Speed Assist: Unique heel to toe geometry designed to lessen muscle tension and promote a natural mid-forefoot strike. 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