If you're trying to keep up with the competition, you need to keep up with changing light. We engineered Half Jacket 2.0 to let you swap out the lenses with ease.Features:- Lightweight O Matter™ frame material with ellipse metal icon accents- Unobtainium™ earsocks and nosepads for increased comfort and performance- 8.75 base lens geometry with HDO™- Polarized, Iridium™ and Photochromic options available- Interchangeable lens system- Available with Oakley Authentic Prescription Lenses- Transitions and the swirl are registered trademarks and SOLFX and XTRActive are trademarks of Transitions Optical, Inc.Technolohy:- Polarized™ Lenses: Oakley's proprietary technology designed to filter out 99% of reflected glare without the haze and optical distortion that typically comes with conventionally manufactured polarized lenses. - Light Transmission: 9%- Light Conditions: Bright Light- Contrast: Neutral- Base Lens Color: GRAY- Information notice: 3