5 Eyelet Briar Canvas Oxford. Blue, Pink and Green Marten Flower City Poplin print. Dr. Martens '383' Last offers a tapered fit with a narrowed toe. A low profile Airwair sole. These shoes are heat-sealed then stitched. Traditional Airwair Heel Loop. This is a leather-welted product. The upper and sole are sewn together, not merely glued, like many footwear constructions, and are also heat-sealed.