We were pretty sure that it wasn't just us doing a big old inside-whoop when Birkenstocks made their street style comeback last summer. Right? Well, this spring there's a new nerd sandal in town. Hello Teva: trekking favourite of ramblers everywhere, which is about to make its way into your fashion vocal. No, we're not kidding. Marc Jacobs and Prada brought Teva to the catwalks as far back as SS14, but it's only now that the sandals are starting to bubble under on street stye stars. Here's how...