Whether you're training for a marathon or just enjoying a casual run, the New Balance FuelCell Propel v5 is the ideal all-round running shoe. Experience the ultimate performance of the FuelCell Propel v5 every day. Midsole This shoe with a FuelCell midsole gives a lively and responsive feeling while running. This foam consisting of Bio-EVA and TPU is a performance foam with an extremely high energy return with every step you take, the foam gives you a boost that helps you move forward. A TPU plate is placed in the middle of the midsole to ensure a powerful push-off. Upper In strategic places, the Engineered Mesh upper provides flexibility and breathability while in other places the shoe fits a bit tighter. The shoe is a bit tighter around the midfoot for a secure and supportive feel. In the upper of this shoe, New Balance has used synthetic yarn. Outsole With a rubber outsole, the shoe provides good grip and traction while running.