The Cloud Tec® cushioning system provides a responsive ride, while Helion™ HF hyper foam ensures energy return and sustained comfort. Cloud Tec® cushioning system for fast runs double layer of Helion HF hyper foam for energy return glass fiber-infused Speedboard for efficiency and support lightweight, breathable mesh upper padded heel design for comfort over long distances supportive upper for adjustment to foot movements rubber outsole for grip on the road stable support
