Clogs’ popularity helps Birkenstock book highest quarterly sales in its history

Ugly' footwear trend boosts German shoemaker's sales of closed-toe styles by more than twice the average for its products

Strong sales of clogs - which have been adopted by the American models Gigi Hadid and Kendall Jenner as part of this summer's trend for ugly" shoes - have helped Birkenstock to the highest quarterly sales in its history.

The German shoemaker, which listed on the US stock market in October last year valued at $7.5bn, said sales of closed-toe silhouettes", which include its clunky clogs, rose by more than twice the average for its products.