The Mizuno Wave Nirvana 3 running shoe provides protection while offering support to the medium-arched, flexible foot type. AIRmesh™ upper provides the utmost in breathability and comfort. AP midsole provides lightweight, responsive, yet durable cushioning. Mizuno Intercool™ full-length midsole ventilation system reduces heat and humidity build up inside the shoe. SmoothRide™ Composite Double Fan-Shaped Wave™. SensorPoint suspension system connects the Wave™ plate to the ground, thereby enhancing stability and traction. VS-1™ shock absorbing cushioning compound in the heel and forefoot. X-10™ durable carbon rubber allows for longer wear in high impact areas and supplements traction at heel strike. Solid rubber/blown rubber forefoot outsole design for cushioning, flexibility and durability. Wt. 12.9 oz.