MIZUNO ENERZY (FOAM): Offering versatility in its application, while still maintaining softness and resilience. It will help enhance performance capabilities. MIZUNO WAVE®: The MIZUNO WAVE® plate disperses energy from impact to a broader area providing a stable platform and a superior cushioning. X10 Outsole: Durable carbon rubber that allows for longer wear. Engineered Mesh Upper: Both breathable and durable for high performance. Eco Friendly Materials Category: Neutral Drop: 12mm Stack Height: Forefoot 26mm / Heel 38mm Weight: 10 oz (size 9)