Upgrade your vision on the trail with the 509 Sinister MX6 Fuzion Flow Lens, engineered for riders who demand clarity, contrast, and dependable performance in changing conditions. Built with advanced Fuzion lens technology, this high-performance replacement lens fuses the inner and outer lenses into a single ventless construction that resists fogging even during high-output rides. Frogzskin® mesh venting boosts airflow to maintain clear visibility, while HCS (High Contrast Spectrum) tint technology enhances depth perception on snow-covered terrain. With quick lens-swapping capability using the Fast Lens Loading System, riders can adapt instantly to weather and lighting changes. Designed for maximum clarity, durability, and confidence, this lens keeps your focus where it belongs—on the ride ahead.
