The Mizuno Wave Inspire 5 running shoe was developed for the runner who desires the best blend of support and cushioning that respects the needs of medium-arched, flexible foot types. Highly ventilated AIRmesh™ upper provides breathability and comfort. Dynamic Fit technology relieves the stress the foot naturally places on footwear, eliminating distortion for the perfect fit. AP midsole provides lightweight, responsive cushioning. Mizuno Intercool® midsole ventilation system. SmoothRide™ engineered Composite Double Fan Wave™ adds great blend of support and cushioning in a package that transitions like no other. VS-1™ in the heel to help prevent overpronation. X-10™ in heel adds durability. Solid rubber and blown rubber in forefoot offer durability and flexibility. Wt. 11.3 oz.