Slide sandals have lately been a hot topic here at TZR HQ, so you can only imagine how obsessed we were when one of our fellow editors came in wearing a cool, closed-toe version of the slip-on trend. A bit more conservative (as in office-friendly) and able to be dressed both up and down, this new take on flat footwear is a no-brainer necessity for the spring to summer transition. Below, we rounded up a few of our favorite takes on the footwear phenomenon for your shopping pleasure.