The original dr martens air cushioned sole providing underfoot comfort and durabilityit is oil and fat resistant tough and offers good abrasion and slip resistancethis is a goodyear welted product the upper and sole are sewn together not merely glued like many footwear constructions this together with our z welt stitch and heat sealing process makes it unique to dr martenssmooth is the classic dr martens leather durable with a smooth finish