Features:

• For the treadmill or the roads, the streamlined New Balance FuelCell Echo WFCECCW will take you beyond the run. Put in the miles with the highest energy return of our performance foams currently on the market paired with a full-length rippled rubber outsole designed specifically for resilient traction and grip.
• Durable and resilient rippled rubber outsole for full length coverage and superior traction
• Engineered knit upper with embroidery detail for structure and comfort
• Engineered on an 6mm offset and ideal for a wide variety of footstrike types and use
• New Balance FuelCell Echo WFCECCW shoe has external TPU heel designed for security of fit
• FuelCell midsole foam delivers a propulsive feel to help drive you forward

*From the manufacturer's description