Shoes Under Armour UA W Charged Impulse-PPL. Women's Under Armour running shoes with neutral treadmill. The upper of the shoe is made of lightweight mesh material that is extremely flexible and durable and offers strategic support where you need it most. Dual-layer midsole with ChargedCushioning technology used to optimum shock absorption. Built-in insole offersideal suspension. Reflective elements for better visibility in lowlighting. The outsole of the massive rubber covers the zones with the biggest impacts. This increases the durability of shoes with a lower weight.