Serengeti 7891 Sophia Sunglass， Tortoise/Black Frame， Polarized Drivers Lens<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Adaptable lenses are the preferred choice by drivers and pilots</li><li>Photochromic lenses allow the eye to experience enhanced contrast</li><li>Darkening in bright sunlight and lightening in overcast conditions</li><li>Serengeti lenses react to UV light by adjusting to the changing light</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31c6iq1wHpL.jpg" noproxy>