Dr. Martens Buzz 6 Eye Boots. The details that complete the look. Six eyelets. Padded collar. Goodyear welted barrel edge sole, heat-sealed with signature grooving and unmistakable DM’s yellow thread. Crazy Horse is a textured, heavyweight leather, with natural color variations that come through when rubbed or scratched. Crazy Horse leather is a natural-type oil finished leather with a worn, distressed appearance. Goodyear Welted construction: the upper and sole are heat-sealed and sewn together, providing more comfort and durability for years to come. Imported.