Thin diaper cover pants in microfiber from Disana The smart diaper cover pants from Disana are practical to have in the assortment if you use modern cloth diapers or tie-on diapers. The diaper pants are made of 50% polyester and 50% polyurehtan and have soft elastics that neither pinch nor tighten, but still fit snugly. They are made of breathable and waterproof microfiber.