A recrafted version of the 2001 icon, the Shox R4 replicates the original with its innovative cushioning, mixed materials and laser perforations. Nike Shox columns in the heel distributes weight to maximize comfort, plus a performance-inspired look. Benefits * Synthetic and textile upper with laser perforations is breathable and durable. * Originally designed to support the stride of runners, Nike Shox columns provide responsive cushioning. * Modified, circular Waffle outsole provides great traction. Product Details * Foam midsole * Rubber outsole * Not intended for use as Personal Protective Equipment (PPE)