This replacement for the Nike Free 5.0 delivers a more barefoot-like ride than its predecessor, while also gaining cushioning, support and Nike+ readiness. The Nike Free Run+ running shoe features an innovative upper that blends breathable mesh with engineered overlays and stitchless construction for a unique balance of comfort, fit and support. New, higher resolution siping pattern delivers a barefoot-like experience. Sculpted midsole geometry boosts cushioning and support. Phylite™ outsole with Waffle® piston geometry provide cushioning. Environmentally preferred rubber in high wear zones. Wt. 9.2 oz.