The Under Armour CHARGED IMPULSE for runners with a neutral pronation features a lightweight mesh upper that’s extremely flexible and breathable for strategic support where you need it the most. The double layer midsole has the Charged Cushioning technology for optimal shock absorption. The built-in insole provides light cushioning. With reflective elements for better visibility. The caoutchouc sole covers area most prone to wear and tear. This increases durability at a lower weight.