Hobie Olas Rectangle Sunglasses,Matte Black Frame/Copper Lens,One Size Composite frame Composite lens Polarized 100% of UVA, UVB & UVC coating Lens width: 57 millimeters Lens height: 39 millimeters Bridge: 15 millimeters Arm: 124 millimeters Hobie lenses exceeds ansi z80.3 standards for refractive power, megol sweat bar, anti-fog basket, light transmission & impact resistance, color balance- proprietary polarized film for clear vivid color,ideal amount of blue light for enhanced vision.^Hydroclean lenses are standard in all frames built for challenges of active sports and everyday wear, advanced hydrophobic coatings that are applied under controlled conditions resulting in a lens that sheds water , resists dusts and grime, easy to clean.^Hydroclean plus lenses provide unmatched vision on/off of the water, polarized film technology w/enhanced hydrophobic/anti-reflective coatings, providing a lens that sheds water, resists dust/grime, easy-clean & reduce reflections from sources behind you.^Case Included^Lenses are prescription ready (Rx-able)