The original dr martens air cushioned sole providing underfoot comfort and durability since 1960it 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 constructionsthis together with our z welt stitch and heat sealing process makes it unique to dr martensfelix rub off is a non leather material which is soft and supple and has a subtle two tone finish