The stretchable knit upper of the Nike Flex RN 2019 wraps you in softness as it expands and contracts along with your foot. Dual-density foam layers supply durable cushioned comfort, while grooves on the outsole give you heel-to-toe flexibility.
- Foam sole
- Multi-directional stretch knit expands and contracts with your foot.
- Dual-density foam cushions every step.
- Flex grooves on outsole move and bend for heel-to-toe flexibility.
- Synthetic overlays around the laces provide structure for a secure fit.
- Heel strap stabilizes the back of your foot while allowing natural movement.