| The Nike Air Vitality features an exterior constructed of flexible and breathable mesh with a supportive interior. A midfoot lockdown ensures a snug fit. Full-length, lightweight Phylon™ midsole offers a great ride with encapsulated heel Air-Sole® unit for added cushioning and comfort. Specialized slip-resistant solid rubber outsole. FCS system combines forefoot rubber with the exposed Phylon™ flex grooves. |