Sandals over heels? How Barbie helped boost sales of one footwear brand

At one point in Greta Gerwig's film, Barbie (played by Margot Robbie) must choose between Birkenstock sandals and high-heeled pumps. Photo: AFP

Since the release of the Barbie film, pink has invaded stores all over the world.

And Greta Gerwig's comedy hasn't just boosted clothing sales, but also shoe sales, and particularly those of the famous Birkenstock sandals.