The New Balance FuelCell SuperComp Pacer v2 is a super shoe that gives you a true-to-road running feel. Its high energy return and snug comfort make it the ideal low-to-the-ground package for all racers. Details: Upper: For comfort that lasts your entire run, the single-layer engineered mesh upper is strategically designed to feel lightweight and give you a snug, race-ready fit. Midsole: FuelCell foam is combined with the same bent carbon fiber plate seen in the SuperComp Elite v4, improving on New Balance's Energy Arc plate technology to create a snappy and efficient ride that will have you sprinting at your fastest pace. Outsole: The rubber outsole embodies aggressive forefoot coverage for a snappy finish.