A logo sits on the side of a Dr. Martens boot inside a footwear store in London, U.K., on Friday, Oct. 18, 2013. Permira Advisers LLP, the London-based private-equity firm that owns clothing brand Hugo Boss, is in advanced talks to buy iconic British punk-boot maker Dr. Martens, said a person with knowledge of the negotiations. Photographer: Simon Dawson/Bloomberg via Getty Images