From New Balance, the Women's FuelCell Propel v5 Logo Detail Running Sneakers feature: Mesh and synthetic upper Adjustable lace closure for a customized fit FuelCell midsole foam with bio-based content delivers a propulsive feel to help drive you forward (bio-based content is made from renewable resources to help reduce our carbon footprint) TPU plate for a propulsive feeling Rubber outsole Approx. 6mm drop Approx. 7.8 oz./220 G weight Imported.