The look of these square-shaped aviators makes you want to belt out rock tunes as you barrel down the open road on your way to adventure. Iconic gold metal frames and aviator green lenses form a low-profile silhouette that brings out the best in medium to small face shapes. All Knockaround Mount Evans sunglasses feature polarized, impact-resistant lenses and are designed to stand up to your action hero-esque lifestyle. Gold metal frame Tortoiseshell rubber detailing Square-shaped polarized aviator green lenses Full UV400 sun protection  FDA approved, impact-resistant lenses  with laser etch logo detail Great for medium to smaller-sized faces