Built to be their most natural runner yet, these men's Free Run Motion Flyknit 2 from Nike show some serious flex. A laceless Flyknit upper delivers a streamlined, ultra-breathable fit, locked down with a Velcro ankle strap. Sat on a Free midsole that contracts and expands in all directions, its dual-density cushioning combines soft and firm foam for smooth, fluid performance, while the rounded heel mimics the roll and shape of your foot, delivering a next level natural experience.. Material: Textile Upper/Synthetic Sole