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 Phylon (IP) core foam directly underfoot and a slightly firmer injected unit sole (IU) carrier foam to deliver comfort and durability for a smooth ride.
Top to bottom the Men's Nike Flex 2017 RN 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.
NIKE Men's Flex RN 2017 Running Shoe Black/Metallic Hematite/Anthracite/Dark Grey Size 15 M US - B01N3SRRPZ