Dream of running on clouds? Make your dream a reality with the supportive and high-cushioning performance of the New Balance Fuelcell Echo running shoes. Predecessor: FuelCell. Support Type: Neutral. Cushioning: High-energized cushioning. Surface: Road. Differential: 6 mm. Engineered knit-upper with brand logo embroidery. Traditional lace-up closure. Lightly cushioned tongue and collar. Bootie construction provides a snug fit. External TPE heel counter for extra stability in the rearfoot. Nitrogen-infused FuelCell midsole foam provides maximum energy return and shock absorption. Durable and flexible rubber outsole. Imported. Measurements: Weight: 12 oz Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.