The unique Hincky Acid Smiley Boot takes the defining image from the rave scene and plants it on the toe of a fellow British subcultural icon the 1460 boot. 8 Eyelet Boot. Smooth leather with smile design on toe. Smooth is the classic Dr. Martens leather; durable, with a smooth finish. Made with Goodyear welt, the upper and sole are heat-sealed and sewn together. Dr. Martens air-cushioned sole.