Suns out, sunnies out. But how do you know what frames flatter your face?

Thankfully, The Vision Council passed along the following guide in honor of National Sunglasses Day. So no matter whether your mug is heart-shaped, oblong, round, oval or square, you can score some shades that leave you looking great. Sure seems to be working for Bradley Cooper, after all.

Scroll down, get shopping and get out there, gents…

Lead photo: Getty Images/WireImage/John Shearer/Staff