The Nike Flex Run 2017 moves with you as you run, creating a smooth, natural feel from mile one until you're done.
- Breathable engineered mesh upper with supportive Flywire cables for adjustable lockdown through the laces.
- Soft Phylon foam inside a firm carrier unit for the perfect combination of comfort and support.
- Rounded heel creates a smooth transition from heelstrike to toe-off.
- Tri-star outsole pattern expands in all directions for a full, natural range of motion.