Full-length ProGrid system is closer to the foot for added cushioning and shock absorption Respon-Tek™ platform responds with every stride for a smoother heel-to-toe transition Provides optimal stability for your specific needs TPU plate transitions you quickly and efficiently from heel to forefoot Forefoot plate allows you to propel forward as efficiently as possible Maximum cushioning with minimum deflection allows you to run longer and faster Pre-emptive climate management keeps shoe drier Fabric cools and warms to maintain your feet at a pleasant 82 degrees Mesh layer helps prevent blisters