Mizuno Wave Sky 6 Women's Running Shoes Neo Lime/Ancient Water : Soft, energetic and supremely smooth, the Mizuno Wave Sky 6 provides a heavenly ride. This neutral running shoe combines high energy with an improved fit to make every run memorable. Enjoy eco-friendly comfort in the Smooth Stretch woven upper. Every stride on the Mizuno Enerzy foam midsole feels like you're floating on clouds. When you crave comfort, reach for the Mizuno Wave Sky 6! What's New? Improved upper made with recycled materials to blend comfort and sustainability. Who's it for? Neutral runners looking for a soft and responsive shoe to wear during daily training. Mizuno runners who want a shoe with more cushion and softness than the popular Wave Rider. Shoe Technology Upper: Smooth Stretch woven upper provides a smooth and secure fit by slowly stretching laterally and not stretching medially. Gusseted tongue construction offers a comfortable midfoot lockdown. Midsole: MIZUNO ENERZY CORE provides excellent cushioning and energy return. MIZUNO WAVE structure creates two layers of EVA foam with different densities to boost stability without sacrificing comfort. MIZUNO ENERZY foam bottom layer for a soft and responsive ride. Outsole: X10(TM) solid rubber at the heel and midfoot increase durability and allow for smooth transitions in the forefoot.