Bug-eyed pieces and headgear that doubled as sunnies were also on full display. Similarly, Canadian label Fellow Earthlings debuted shield-like sunnies with post-apocalyptic vibes. Meanwhile, Marni ...

Learn more You've probably heard the term "polarized" in regard to sunglasses, but what does that really mean, and is it an important factor when choosing a pair of sunnies? I spoke with two ...