The Nike Shox SPARQ P9 training shoe features a light and breathable mesh upper that provides a great performance feel. Strategically positioned overlays offer a supportive, comfortable fit around the forefoot. Independent Nike Shox™ cushioning system in the heel. Flexible and well cushioned Phylon™ forefoot incorporating Nike Free technology. Solid rubber outsole with Phylite™ ensures lightweight traction in a variety of conditions. Wt. 12.6 oz.