Women's New Balance FuelCell SuperComp Trainer Size:12 A stretchy boxer brief liner

A stretchy boxer brief liner stops chafing in its tracks with sweat-wicking fabric and flat

Aggressive lugs made of PWRTRAC tacky rubber conform to dig in and confidently grip a wide variety of terrains

Two external sleeves for quick stashing

Light and Race-Ready

with extra breathability at the upper back

Women's New Balance FuelCell SuperComp Trainer Size:12 A stretchy boxer brief linerThe FuelCell SuperComp Trainer brings the seconds count performance of energy return technology from race day to a high milage training shoe. In this execution of new Energy Arc technology, a stacked height midsole houses an arched carbon fiber plate, sandwiched between two layers of FuelCell cushioning, leaving a hollow channel through the middle of the shoe. The plate is flattened into the void with each foot strike, and returns energy as it