Under Armour W Charged Aurora-PPL Shoes. Women's training shoes with a lightweight and airy upper that will give you maximum comfort. Great designed shoes for women's footwear with aerodynamic cut. The tpu film used in the design helps to lock the foot in the shoe while increasing its durability. The midsole of Charged Cushioning® foams for unique suspension. Fully rubber outsole for maximum durability with multi-directional traction pattern.