3 Eyelet Heeled Shoe. Black Smooth leather upper. Goodyear-welted, the upper and sole are heat-sealed and sewn together. Classic DM sole with a chunky heel. This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions. Airwair's original signature leather: a firm, finished leather with a smooth, semi bright appearance.