Nike Flex 2017 RN 898457-002 Black ,Grey

ADAPTIVE FIT. ZONED SUPPORT.
Top to bottom the Men's Nike Flex RN 2017 Running Shoe is built to flex. Its one-piece engineered mesh upper, adaptive heel design and molded tri-star outsole pattern work together for a smooth ride that moves with your stride.
Dynamic Flywire cables provide a one-to-one fit.
Engineered mesh provides breathable support.
Tri-star outsole pattern enhances flexibility.
Minimal heel design provides a more natural fit.
Co-molded midsole uses a softer injected PhylonIP core foam directly underfoot and a slightly firmer injected unit soleIU carrier foam to deliver comfort and durability for a smooth ride.
Heel is rounded for a smooth transition at initial touch down.