Men's Running Shoes On Cloudboom Echo 3 are a model designed for runners who prefer training and racing on hard surfaces. The construction of these shoes is based on an upper made of durable polyester, providing appropriate comfort and ventilation. The standard width of the upper ensures a fit for most feet. Sole and Cushioning The heart of the shoes is an innovative midsole made of Helionfoam, which combines lightness and dynamic cushioning. Helionallows excellent shock absorption, minimizing strain during running. The outsole made of durable rubber provides excellent grip on various surfaces, which is crucial during intense training on hard urban surfaces. Technologies Used in the Model The shoes are equipped with advanced technologies such as Speedboard®, Pebax®, and CloudTec®. The Speedboard® system is responsible for energetic propulsion, enabling the maintenance of dynamics and speed. Pebax® is a material that provides flexibility and durability, which combined with CloudTec®