Old Gringo also develops and tans its own leathers and textures to make sure the end result is a super high quality product. Old Gringo boots go through a 130 step handmade production process. For a thoroughly classic Western style, look no further than the Mayra boot by Old Gringo! Distressed leather upper. Side zipper for easier on and off. Smooth leather lining. Cushioned leather insole for added comfort. Durable leather outsole with rubber heel tab for added traction.