The Nike Flex Experience Run 9 'Smoke Grey' sneaker features a white rubber sole unit designed with flex grooves to provide flexibility and support to the foot's natural motion. Its lightweight build is constructed with breathable grey mesh material and complemented by matching grey textile on the quarter panels. Adding a touch of contrast, Metallic Copper accents can be found on the branding elements such as the floating Swoosh and the Nike wordmark featured on the woven tongue loop.