Collonil Special Wax Spray Protection and Conditioning for Fine Smooth Leather Boot Birkenstock anatomically shaped cork-latex footbed

Birkenstock anatomically shaped cork-latex footbed with genuine shearling lining

They have a visible grain and naturally occurring colour irregularities that are deliberately not removed in production in order that the natural matt surface of the leather is preserved

Josef Seibel Talcott Black Leather Shoes

So for example

Collonil Special Wax Spray Protection and Conditioning for Fine Smooth Leather Boot Birkenstock anatomically shaped cork-latex footbedCollonil Special Wax is a combination spray for brushed and antique leather, as well as finely waxed or grained smooth leather. Protects and conditions sensitive nappa leather. Dirt repellent