The Nike ZoomX Superrep in Black/White/Bright Crimson/Pure Platinum training shoes fhave been engineered with ZoomX foam to deliver incredible energy return and a springy feel with every step, while the rower clip at the heel makes it easy to transition from the rowing machine and the rubber tread maximises traction. The shoes have a side arc supports your foot for strength training intervals, while the plush collar supplies great comfort and the Nike Swoosh branding completes the design.hard.