Fit and Design: Standard fit sunglasses Acetate frame provides enhanced durability and lightweight comfort Square frame design achieves a retro and timeless look inspired by the 50's Technology: Optional polarized lenses block 99% of reflected light, increase visual clarity, enhance contrast, and reduce eye strain Optional Ray-Ban prescription lenses incorporate Digital Surface Technology to offer crystal clear clarity and an extra wide field of vision Additional Details: Lens height: 42mm Lens diameter: 49mm Lens bridge width: 21mm Temple length: 140mm California Proposition 65