Nike Shox R4 pairs the classic four-column Shox cushioning with a futuristic synthetic upper. Designed for stable, responsive ride and bold metallic accents, it works for everyday wear and low-impact running. Key attributes: Black | Metallic silver | Metallic gold | Synthetic leather | Responsive cushioning | Impact absorption | Stability underfoot | Four compressive Shox heel columns for stability and responsive bounce | Synthetic leather upper for structure and sheen | Futuristic rippled upper inspired by spacesuit aesthetics | Laser perforations on upper | Metallic heel-column accents | Composition & care: Synthetic leather | Plastic Shox columns | Foam midsole | Rubber outsole | Textile lining