* Featuring sport-specific carbon fiber plate geometry with strategic midsole voids that deliver a higher amount of total energy returned, the New Balance FuelCell SuperComp Trainer v3 shoes are designed for half- and full-marathon training. The mesh upper of these shoes provides breathability while the angular midsole design reduces weight. These running shoes are crafted with an EVA insole and cotton lining. The FuelCell foam midsole with approximately 3% bio-based content delivers a propulsive feel to help move you forward. Durable and cushioned, these lace-up sneakers deliver comfort every step of the way. * Round toe design. * Rubber outsole designed for superior traction.