The New Balance Fuel Cell Propel v3 Light Slate is a versatile trainer built for all-around mileage. The kids’ running shoe is made of synthetic upper with mesh vamp and no-sew overlays for lightweight breathability. The shoe features a full-length FuelCell midsole and FuelCell foam to deliver a propulsive feel. The molded TPU heel detail gives a dramatic look. The sleek trainer includes a bold outlined N logo application and rubber sole.