the mg4x2 golf cross trainer is a multi-functional shoe that takes you from the street to the course with ease. featuring a one-piece engineered waterproof g/dry knit upper for unbeatable comfort, an auxetic lattice midsole for all-day support, a sawtooth traction pattern for grip, and finished with our staple triple-density foam cushion footbed for a massage with every step. color petrol features the g/dry upper is constructed with waterproof & stain-resistant engineered stretch knit fused with an internal waterproof lining full rubber outsole with sawtooth traction pattern designed to provide flexibility & grip responsive eva midsole with auxetic sidewall will keep your feet comfortable after long days on the course impressive 360° molded heel cup prevents heel slip & provides superior comfort wide base with tall sculpted sidewalls for lateral & medial stability direct, under-heel comfort & odor control with removable & washable insoles featuring a one piece dual density 3d molded heel cup comes with an extra set of reflective laces fit narrow fit, if you are between sizes, we recommend ordering up. material 68% polyester/12% spandex/11% tpu/4.5% nylon/4.5% polyurethane