Premium Smoothness with Support. Achieve an even smoother running experience with an upper that has been made lighter, without losing the Wave Inspire's signature balance of stability and cushioning through Mizuno Wave and MIZUNO ENERZY foam. MIZUNO WAVE: Newly designed double fan wave plate provides the support required whilst the shape improves on the comfort underfoot. MIDSOLE: All new Mizuno ENERZY foam at the heel wedge provides superior cushioning and energy return. All new sole construction provides a smoother and more stable transition from heel contact through to toe-off. ENGINEERED AIR MESH UPPER: Lightweight upper design achieves the ultimate seamless fit and reinforced mesh, provides added stability on the medial side. ECO MATERIALS: Features sustainable materials to decrease our carbon footprint: Recycled PET Lining Mesh and Recycled PET Shoelace.