The Premier ZigFly combines a top performance running shoe with patented ZigTech sole technology. The unique zigzag shaped sole helps propel you forward, while reducing wear and tear on your shins. Run harder, run longer. * Synthetic/mesh upper ensures comfort, support and durability * Smooth Fit smooth seam upper offers ultimate in comfort with minimal irritation * Play Dry lining provides moisture management * Forefoot flex grooves for flexibility and better running performance * Multi-surface outsole for optimal traction * Carbon rubber heel strike * Reflective accents for nighttime safety
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