A recrafted version of the 2001 icon, the Shox R4 replicates the original with its synthetic and textile upper, design lines and laser perforations. Nike Shox cushioning in the heel distributes weight to maximize comfort, plus a performance-inspired look. Benefits * Synthetic leather and textile upper with laser perforations is breathable and durable. * Nike Shox columns provide resilient cushioning. * Modified, circular Waffle outsole gives you durable traction.