EXCELLENT CONDITION used twice. SIZE 11. The iconic running silhouette is back and ready for the streets. Introduced in 1997, the Air Zoom Spiridon played a pivotal role in the evolution of Nike’s pressure-mapped designs built to improve cushioning for runners. This version taps into the original, featuring the reflective piping, OG mesh and classic Metallic Silver and Sport Red colorway. If you're gonna look back to leap forward, you might as well do it with full-length Air Zoom cushioning beneath your feet.