Nubuck is a type of cow leather. It has a velvety texture that is achieved by sanding, this treatment of the skin does not contain chemical dyes and allows it to become a more resistant and durable skin. In addition, it is more beautiful when it ages. To remove dust and dirt from the boot, rub with a dry cloth in different directions. You can also use a brush with soft bristles making circular movements. If the boot has very strong spots, it is advisable to use a very soft sandpaper and rub the surface of the nubuck since this material is manufactured in this way. Do not abuse the sandpaper or rub very hard because you can spoil the velvety finish. Never use water to clean this type of skin.