Nike Shox R4 brings back the original 2001 silhouette with responsive Shox column cushioning, designed for running and everyday comfort. Key attributes: Black | Synthetic and textile | Responsive cushioning | Enhanced breathability | Traction-focused outsole | Shox column cushioning for responsive impact protection | Modified circular waffle outsole for traction | Laser perforations for ventilation | Replica of original 2001 design lines | Y2K-inspired styling | Composition & care: Upper: synthetic and textile | Midsole: foam | Outsole: rubber