Nike Air Zoom Spiridon SP Signal Blue 575441-029 A carbon fiber shank plate

A carbon fiber shank plate provides midfoot stability

The Zoom Air unit in the heel provides responsive cushioning

Outsole and Grip

this model features a clean white leather base with black overlays on the forefoot

Nike Air Zoom Spiridon SP Signal Blue 575441-029 A carbon fiber shank plateThe Nike Air Zoom Spiridon SP "Signal Blue" features a lightweight mesh upper with metallic overlays for a distinct, early 2000s aesthetic. It is equipped with a full length Zoom Air unit in the midsole to provide responsive cushioning. The design is finished with a durable rubber outsole and signature branding on the tongue and heel. SKU: HF9117 400 Colorway: Signal Blue Metallic Luster Black White University Red