Plush mesh is placed at the forefoot and along the collar for a comfortable feel. Additional skins throughout add durability. A foam midsole delivers a softer ride than the Revolution 5. The outsole has a computer-generated design that creates a natural piston effect as you run, providing more cushioning and flexibility. They combine for durable traction. Touchpoints at the heel and tongue create a natural feel as you take the shoe on and off.