Distilling several key Rudy Project technologies into a unified, cycling specific sunglass - the new Agon is the ultimate unison of aesthetics and function. Years of research and studies with biometric specialists have advanced the design of this sunglass to achieve ultimate comfort and stability. The newly integrated Vent Controller(tm) allows rapid adjustment of airflow to reduce thermal shock and prevent fogging. Helmet compatibility is a core design concept - assuring the Agon fits perfectly with any lid.