Nike Free 5.0 + Shield - Men'sRun more naturally with the Nike FREE 5.0+ Shield running shoe. Designed to maximize a foot's natural range of motion, flex grooves within the Phylon™ midsole allow exceptional flexibility for versatile foot movements. Dynamic Flywire technology wraps the foot, promising a customizable, secure fit. Adaptive inner-sleeve creates a snug fit that naturally moves with your foot for a more comfortable running performance. Phylon midsole cushions your step and efficiently returns energy to help you run longer and faster. Built with strategically placed lugs, the rubber outsole offers ideal traction and long-lasting durability. Mesh upper enhances airflow to keep feet cool and dry during long runs or intense workouts. Wt. 9.2 oz.