Dr. Martens Men's Jamir Boot 100% Leather Synthetic sole The 'Jamir' features a Leather Upper Greenland is a naturally milled grain leather with a waxy surface and attractive two tone colour surface This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions The original Dr. Martens air-cushioned sole, providing underfoot comfort and durability since 1960. It is oil- and fat-resistant, tough and offers good abrasion and slip resistance