Dr. Martens Women's 1B99 14-Eye Zip Boot 100% Leather Synthetic sole Shaft measures approximately 11" from arch Heel measures approximately 2" Platform measures approximately 0.5" Boot opening measures approximately 10 1/2" around This is a full-grain, smooth leather, with a satin gloss and luxurious supple feel. This 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. Martens. 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.