The Nike Flex 2018 RN GS is designed specifically for running, with a focus on natural motion and a minimalist silhouette. Released in June 2019, this particular version is made for kids and features a black circular-knit upper that offers both comfort and durability. It also includes a reinforced heel counter and Flywire cables in a vibrant Racer Pink color for added support and style. The sneaker is adorned with color-pop Swooshes on each side and a signature wordmark on the tongue. Providing a flexible ride, the Nike Flex 2018 RN GS is equipped with a dual-density Phylon foam midsole and a tri-star rubber outsole.