These comfy, modular slides are coming for Birkenstock’s throne

It’s true, Birkenstocks are phenomenal shoes. There’s a reason the company generated $1.6 billion in revenue last year—a 20% spike from the year before. But are there things you might want to tweak about your trusty old Birks? For Sarah and Chris Rhoads, a pair of married creative directors, the answer was a definitive yes. They both wore Birkenstocks to photo shoots, drawn to the arch support and comfortable footbeds. But they didn’t like how the sandals got soggy when they got wet, and...