Nike Air Relentless 4 Blue for sale | eBay。Nike Air Relentless 4 men\'s running shoes in gray with orange swoosh and blue laces, size 15. A solid, comfortable everyday trainer with breathable mesh and cushioned feel. Pre-owned with light to moderate wear from normal use. Some scuffing and wear to soles/midsoles may be present. Please see photos for exact condition. Please see photos for details and measurements. Clean, quality item ready for its next home! See photos for measurements and details. Visit my store for more quality finds — Flippin Savvy. #Nike #RunningShoes #MensSneakers #Size15 #AthleticShoes