a great design for a modern look . the volcom odyssey offers you clean lines and a great design. their clean style combines with the quick release system and wide peripheral vision.incredible style and the best features for a good view.purple chrome lensthe purple chrome lens is mirrored and comes with a cylindrical lens for perfect peripheral vision. on sunny days, you use the full potential of the purple chrome.transmittance of visible light: 17 %bonus lens bronzethe bronze lens is non-reflective and comes with a cylindrical lens for perfect peripheral vision. on cloudy days you use the full potential of the bronze.transmittance of visible light: 14 %