The Diadora Mythos Blushield 9 Vortice is perfect for those moderate-paced, distance runs where you want to keep going... and going... and going. Maximum cushioning for shock absorption is paired with Blushield technology that minimizes asymmetrical foot behavior and enhances performance, ensuring a safe and secure ride that protects your knees and feet for all-day comfort. Details: Upper: The upper is made of Italian-styled air mesh nylon that’s breathable and functional, providing a great fit. Midsole: With its Light EVA compound, the Vortice is a shock-absorbing champ, protecting your knees and feet from the impact of the road. Blushield technology acts only when you need it and mediates the asymmetrical behavior of the feet, transforming uneven foot placement into a balanced run.Outsole: Blown soft rubber in the front and a special wear-resistant Duratech 5000 compound in the heel.