Pursuit - Matte Tortoise - ChromaPop Glacier Photochromic Copper Opal MirrorPursue your thrill in the backcountry. From skin track to boot pack to full speed descents, the Smith Pursuit sunglasses can do it all. They blend goggle like coverage with the airflow and easy to wear feel of sunglasses that perform while you're climbing and descending. Our ChromaPop Glacier Photochromic lens adapts to changing light conditions and delivers color and contrast boosting performance throughout the full range of the lens. Removable,