Dr. Martens, also commonly known as Doc Martens, Docs or DMs,[2] is a British footwear and clothing brand, headquartered in Wollaston in the Wellingborough district of Northamptonshire, England. Although famous for its footwear, Dr. Martens also makes a range of accessories – such as shoe care products, clothing, and bags. The footwear is distinguished by its air-cushioned sole (dubbed Bouncing Soles), upper shape, welted construction and yellow stitching. Dr Martens' design studio is in Camden Town, London; the manufacturing is in the UK, China, Vietnam, Laos and Thailand. The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.