Oakley Batwolf A single continuous lens sweeps across a comfortably lightweight O Matter™ frame and two interchangeable icons are included to change your look in seconds. Features: Lightweight O Matter™ frame material with Square O metal icon accents Interchangeable accessory metal icon accents (additional icon designs available) Oakley performance shield lens technology with HDO™ Polarized and Iridium™ lens options available Features & Technology: IMPACT PROTECTION Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. PRIZM SAPPHIRE Light Transmission: 12% Light Conditions: BRIGHT LIGHT Base Lens Color: GREY Information Notice: 3 GREY POLARIZED Light Transmission: 17% Light Conditions: BRIGHT LIGHT Base Lens Color: GREY Information Notice: 2 PRIZM BLACK Light Transmission: 11% Light Conditions: BRIGHT LIGHT Base Lens Color: GREY Information Notice: 3 PRIZM GREY POLARIZED Light Transmission: 17% Light Conditions: BRIGHT LIGHT Base Lens Color: GREY Information Notice: 3 Size & Fit: Frames are measured in millimeters. We’ve included this information for each of our frames to help you estimate how they’ll fit your face. Size: M 1 Lens Height: 40.7 mm 3 Arm Length: 130 mm NOTE: Measurements listed intended for customer use only. Not intended to be used by opticians to fill prescriptions. Fit Options: Regular: A medium lens front designed for those who prefer to cover an average portion of the face. High Bridge Fit: Offers a more secure and comfortable fit for those with a high nose bridge and lower cheekbones. A good choice if the bridge of your nose is above the level of your pupils.