Kensington collection offers a refined take on Dr. Martens classic styles. 7 Eyelet Boot. Polished smooth leather. Pindot lining. Heel loop. Goodyear-welted, the upper and sole are heat-sealed and sewn together. Plain Welted sole - no visible construction thread. A low profile Airwair sole Care Instructions: Clean away dirt using a damp cloth, allow to dry and apply a clear wax based shoe polish to restore shine.