LIMITED EDITION Nike Natural Motion Offset 6.0 / 2019 Women's Running Flex Shoe. Elastic laces let you slip in quickly yet securely without tying them. Floating heel strap secures the back of your foot while also giving a feeling of freedom. Soft, dual-density foam in the midsole assures smooth cushioning. Stretchy knit and synthetic upper conforms to your foot. White, grey, black, and pink.