Engineered for tempo runs and intervals, this trainer features a Cloud Tec® cushioning system for a fast ride and Helion™ HF hyper foam for energy return. The design is inspired by pinnacle, race-winning footwear. fast road running style standard lacing cloudtec® cushioning system helion™ hf hyper foam propulsive glass fibre nylon-blend speedboard® breathable and ultralight engineered mesh upper enhanced rocker shape updated toe box design forefoot grip neutral support
