all products new model shoes 1.inspired by barefoot runners of kenya, the Nike Air Rift MTR Men's Shoe offers lightweight flexibility and natural motion for racing thought the city. 2.Split toe design creates a powerful push-off. 3.Four-way stretch mesh ensures a superior fit with moisture-wicking ability. 4.Articulated forefoot enhances balance, control and power. 5.sculpted phylon midsole cradles the foot whille a hell AIR-Sole unit provides impact protection. 6.BRS 1000 Waffle outaole offers great cushioning,traction and durability.