We added Flyknit through the upper for soft, durable stretch. Additional foam lining on the heel provides a soft sensation. The wider collar opening has a cushioned collar built for the shape of your foot. The midsole uses lightweight Nike React foam for a responsive, durable ride. Higher foam heights give a smooth sensation for comfort with every step. This shoe is ideal for running in the city. Multidirectional traction helps provide stability for any surprises you may encounter on your route. The tough rubber outsole was built for the rigors of the pavement. A pull tab at the tongue and heel for easy on and off. Worn once - Excellent Condition!