The Trackstand is a throwback to the classic cycling sunglass. Including 2 interchangeable ChromaPop lenses for varying light conditions and a vented brow construction to increase airflow as the temperatures fluctuate, the Trackstand also has two-position adjustable nose pads and megol temple hits to keep the stylish look locked onto your face. Hydroleophobic lens coating Hydrophilic megol nose pads for a secure fit Medium fit / medium coverage Two-position adjustable nose pads Auto-lock hinges 7x4 toric lens curvature TR90 frame material