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.
STRETCH INTO YOUR STRIDE. 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. Heel and tongue loops stretch the opening so your foot easily slides in. AQ7483-001