Mizuno Inspire is a lightweight stability shoe that will take you on a fast journey. Mizuno uses an AP Midsole ensuring a high rebound, soft ride, and greater momentum for take off. A composition of materials create the bottom of the shoe providing cushion and optimum stability. The Wave Plates stretch from heel to toe enhancing shock absorption , rebound as well as preserving the torsional rigidity between the heel and forefoot. Intercool will solve your heat problems. This material wiggles its way throughout the shoe providing protection of the heat and humidity build up in a running shoe and pushes it out through the full length ventilation system. Mizuno also inserted a small extra layer of foam called VS-1 to absorb the shock and enhance cushioning for the heel strike. This lightweight trainer will provide the support you need while keeping you at the speed you need.