Taking inspiration from the Dr. Martens archives, the Holly Lolita Shoe sits on a double-height tread sole. Commando tread sole 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 This is a Goodyear-welted product. The upper and sole are sewn together, not merely glued, like many footwear constructions. This, together with the Z welt-stitch and heat-sealing process, makes it unique to Dr. Martens.