Nike Men's Free 4.0 Flyknit Grey Running Shoe,Bright Crimson/Black/Ht Lv/Vlt,8 D(M) US
Ultra-lightweight flexibility. The Nike Free Flyknit 4.0 running shoe continues the tradition of Flyknit with a woven upper that conforms to the foot for breathable, lightweight comfort with each stride. Flywire cables deliver support without extra weight, while the flexible Nike Free mid-sole/out-sole gives you natural range of motion over any distance.
