Crazy Horse is heavyweight leather with a tough, worn-in appearance giving a pre-loved finish without the hard work.
Clean away dirt using a damp cloth and allow to dry, then apply Dr.Martens Wonder Balsam, add to shoes using the sponge applicator supplied with the product. Alternatively if a higher level of suppleness is desired, Dr. Martens Neutral Dubbin could be used follow application instructions on product.
This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions.