ECCO Women's MX SneakerSize Chart Keep it fresh in the ECCO MX, a versatile, stylish shoe that lets your foot breathe and has a robust outsole inspired by the tread of a motocross tire. Thanks to the BREATHRU concept, the ECCO MX comes with a see through mesh that manages moisture, while also adding to the contemporary, sporty aesthetic. With the deep grooves on the outsole, you can confidently explore both city streets and the great outdoors without having to change