Originally produced as durable boots for workers and later adopted by a variety of youth subcultures, Dr Martens’ iconic footwear and accessories now include luggage, clothing and children’s shoes. Backed by the private equity firm Permira, the Northamptonshire business drove ebitda profits up 70% to £85m on revenues of £454.4m in 2019, helped by market growth in Asia, America and Europe. Kenny Wilson, 53, joined from Cath Kidston last year as chief executive.