These running shoes were worn less than a dozen times, are still in great shape and show no real wear on the bottoms. Your runs are looking up with the Wave Horizon 6. It's all thanks to the floating feeling you get from the extra cushion of MIZUNO ENERZY Foam and the superb stability of an asymmetrical foam wave and rubber wall. Made from eco-friendly materials. Questions? Leave a comment below! 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. Eco Friendly Materials MIZUNO ENERZY CORE: Delivering the most resiliency and softness. It improves comfort and adds spring to drive optimum performance. Stretch Woven Upper Category: Support Drop: 8mm Stack Height: Forefoot 30mm / Heel 38mm Weight: 9.5 oz