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.• 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.