Proprietary patented GUNNAR lens material and tint Anti-reflective lens coatings on front and back of lens Multi-barrel hinges Rigid lens mounting Silicone hard coated lens to prevent scratching Comfort curved nose rests Engineering grade injection...
Proprietary patented GUNNAR lens material and tint Anti-reflective lens coatings on front and back of lens Multi-barrel hinges Rigid lens mounting Silicone hard coated lens to prevent scratching Comfort curved nose rests Engineering grade injection...