The I/O MAG, utilizing Smith MAG lens change system, is designed for optimized performance and perfected fit: two locking mechanisms for lens security, Air Evac ventilation for fog-free integration with Smith helmets, and a frame designed around one of Smith's largest spherical lenses, providing a maximized field of view and 5Xanti-fog technology.

Smith MAG™ lens change system
Includes bright light and low light performance lenses
Spherical carbonic-x lens
TLT lens technology for crystal clear vision
Patented Porex filter prevents optical distortion during changes in elevation
Medium fit
QuickFit strap adjustment system with clip buckle
Helmet compatible
AirEvac integration technology to reduce fogging
Ultra-wide, silicone backed strap
Dual-axis outrigger position system
Includes microfiber goggle bag with replacement lens sleeve