The Nike Shox SPARQ P9 SL training shoe is made for the athlete who needs the best cushioning for all their dynamic training activities. Synthetic leather upper offers a great performance feel. Strategically positioned overlays provide a supportive, comfortable fit around the forefoot. Independent Nike Shox™ cushioning system in the heel. Flexible and well cushioned Phylon™ forefoot with Nike Free technology. Solid rubber outsole with Phylite™ delivers lightweight traction in a variety of conditions. Wt. 12.0 oz.