Nike Flex RN Running Shoes

super lightweight and flexible fantastic travel shoe... wore it less than 10x missing insoles Top to bottom, Nike Flex RN Women's Running Shoe is built to flex. Its circular-knit upper stretches in key areas, while the dynamic heel design and molded tri-star outsole pattern work together for an adaptive ride that connects you to your run. Circular-knit upper provides strategic stretch and support. Dynamic Flywire cables deliver a locked-down fit. Tri-star outsole pattern enhances flexibility. Minimal heel design is made with soft foam to secure the back of your foot while allowing natural movement. Co-molded midsole uses a softer injected unit (IU) core foam directly underfoot and a slightly firmer injected unit (IU) carrier foam to deliver softness and support just where you need it.