Smith I/O Goggle-Darkness with Blackout and Red Sensor Lenses 2014
When we created the I/O, we invented a category. As the original interchangeable goggle, the I/O is now the standard by which all other goggles are measured.
Features
- Medium Fit
 - Quick Release Lens System
 - Spherical, Carbonic-X Lens with TLT Optics
 - Patented Vaporator Lens Technology with Porex™ Filter
 - 5X Anti-Fog Inner Lens
 - Includes Two Performance Mirror Lenses
 - Ultra-Wide, Silicone Backed Strap
 - QuickFit Strap Adjustment System with Clip Buckle
 - 3-Layer, DriWix Face Foam
 - Helmet Compatible
 - Includes Microfiber Goggle Bag with Replacement Lens Sleeve
 
Darkness Lens-Recommened for: Sunny Conditions
VLT: 10%-Dark gray base lens tint cuts glare and reduces eye fatigue in bright, sunny conditions
Red Sensor Lens-Recommened for: Mostly Cloudy-Snow/Clouds Conditions
VLT: 60%-Light rose base lens tint with a multi-layer red mirror maximizes color definition and increases depth perception in varying levels of flat light conditions