Two-tone mesh-upper is lightweight and breathable. Removable, deluxe foam sockliner for ultimate step-in comfort and cushioning. Dual density. Charged Cushioning midsole for the ultimate blend of comfort and explosive energy return. Solid rubber outsole with strategically placed pods for added durability in high-abrasion areas. For runners who need flexibility, cushioning and versatility. Upper - Textile, Sole - Other Materials.