They ve become the toast of the fashion world in recent years - and now Birkenstock is set to be valued at more than $9.2 billion in its eagerly awaited listing in New York.
From Dad sandal to IT shoe! a stylist reveals why Birkenstocks dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.