The next evolution of the industry-changing goggle, the 509 Sinister XL7 Fuzion Goggle is ready to change the way you ride. With a 20% increase in face foam for 2X+ helmet sizes, quick-change magnetic lens system, wide field-of-view, cylindrical anti-fog lens, and frame shuttered venting for even more airflow, these goggles are ready to handle a wide range of weather and snow conditions, allowing you to focus on the fun.