Feel like you're floating in the Mizuno Wave Sky 9! This max-cushioned neutral running shoe is the perfect daily training partner. Enjoy lightweight comfort and a secure fit in the Smooth Stretch Woven upper. Feel a softer, more responsive ride on the MIZUNO ENERZY NXT midsole. The dual-layer Foam Wave features a U4icX top layer and Mizuno Enerzy bottom layer for extra comfort and support. Designed to put your feet in the clouds, the Mizuno Wave Sky 9 elevates every step! What's New? Updated stack heights and outsole gauges provide cloud-like comfort with every stride. Who's it for? Neutral runners who want a soft and responsive shoe to wear during daily training. Mizuno runners who want a shoe with even more cushion and softness than the popular Wave Rider. Shoe Technology Upper: Smooth Stretch woven upper offers lightweight comfort and a secure fit. Stretchy gusseted tongue hugs the foot for a snug and comfortable lockdown. Made with recycled materials for eco-friendly comfort. Midsole: MIZUNO ENERZY NXT foam provides a soft and energetic ride. Dual-layer foam Wave with a U4iCx top layer and MIZUNO ENERZY bottom layer for comfort and support. Outsole: Durable X10 rubber outsole allows for longer wear.