There are certain trends that, in hindsight, could be blamed on temporary insanity, like fanny packs, trucker hats, and the list goes on. On the flipside, however, there are also trends that, thanks to their versatility, have evolved into classics. It’s amusing to think that skinny jeans were once a trend, or that crop tops were once treated as a passing fad, right? Keep reading for more items that have transitioned from of-the-moment to can’t-live-without pieces.