The Nike Air Zoom Spiridon SP Signal Blue revives the classic 90s running shoe silhouette with advanced cushioning. It is an airy and lightweight trainer. This iconic Nike Air Zoom trainer uses digital pressure mapping technology to identify optimal cushioning. The shoe feels like an extension of your foot. This colorway features a robust black fabric upper, royal blue mesh, and reflective silver piping details. This retro trainer is suitable for runners, collectors, or everyday street wear.