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. Take on your running challenge with the FuelCell Propel v5. 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. In the middle of the midsole is a TPU plate to ensure a powerful push-off with every step you take. Upper The Engineered Mesh upper provides support in strategic places around the midfoot and has a high breathability in the forefoot. New Balance has used synthetic yarn in the upper of this shoe. Outsole The rubber outsole of the shoe provides good grip and traction while running.