The all-new I/O combines a wider field of view, innovative Responsive Fit™ frame design, and updated looks. All while using your same proven lens. The spherical lens has 5X™ anti-fog, Smith’s highest level of anti-fog technology, and TLT optics for crystal clear vision. The original I/O was the first goggle to solve the problem of what to do when changinThe I/O 7 is designed for optimized performance and perfected fit: single-pivot quick release for easy lens change, AirEvac™ ventilation for fog-free integration with Smith helmets, dual-axis outriggers that pivot in multiple directions to ensure superior helmet integration, and a frame designed for contoured face fit. All this technology is designed around one of Smith’s largest spherical lenses, providing a maximized field of view and 5X™ anti-fog technology. The I/O 7 was designed through a process of reducing elements to only the most essential, so there’s nothing getting in the way of a great day on the mountain.g light and weather demanded different lenses. The new I/O continues that legacy of uncompromising performance.