Trust us, this is the last thing we would think we'd be calling a classic — but, we can actually see something super timeless about these youthful styles. Who doesn't love a waterproof shoe, first of all? And second, any shoe that's just plain fun to wear gets five stars in our books. And, with today's new silhouettes and takes on the trend, you'll get just a hint of nostalgia without straight-up feeling like you're 12 again. Hopefully, though, they're a little less sweaty and don't have that strong identifiable plastic smell when you first take them out of the box...