Cowhide leather is the most common kind of leather. Thanks to the dense texture it shows a high stability and resilience. In general, cowhide leather is so thick that it can be split in two layers. The upper part is named full grain leather, the lower one as cowhide leather or split leather.Smooth leather are all kinds of leathers where the grain side is used and finished outside – irrespective of structure and level of graining and workmanship.Aniline leather. Open-cell smooth leathers which are only dyed with solvable colorants are called aniline leathers. The pigments penetrate the material deeply and completely dye the leather. After the colour bath, the leather has a smooth-waxy touch. The natural structure is preserved – so only flawless pieces are used. Since the pores are not sealed (open-cell), this leather is prone to water and dirt.