New Balance Womens FuelCell Propel v5 Trainers in Black. Propel your everyday footwear to a new realm here thanks to this secure lace fastening masterclass from New Balance. Structured upper for optimal breathability and lightweight fit, lightweight synthetic material, 6mm drop (approximate due to variance created during the development and manufacturing process) and TPU plate. The FuelCell midsole foam with approximately 3% bio-based content delivers a supreme propulsive feel to help drive you forward. Bio-based content is made from renewable resources to help reduce the New Balance carbon footprint.