The Smith I/O was the first goggle in Smith's interchangeable series. The simplicity of changing the lenses is what makes this kitten purr. The spherical lens gives you clarity and precision and the use of Chromapop allows you to have better definition in every situation. The I/O comes with two lenses right away so you wont have to worry about rounding out your lens selection.
Features
Quick release lens change system
Includes bright light and low light performance lenses
Spherical carbonic-x lens
ChromaPop lens
5X anti-fog inner lens
TLT lens technology for crystal clear vision
Patented Porex filter prevents optical distortion during changes in elevation
Medium fit
Responsive Fit frame design
QuickFit strap adjustment system with clip buckle
3-layer DriWix face foam
Helmet compatible
Ultra-wide, silicone backed strap
Articulating outrigger positioning system
Includes microfiber goggle bag with replacement lens sleeve