Wide format lenses create an unobstructed panoramic, high-resolution field of view Rigid lens mounting area prevents optics from degrading through lens flexing 3-barrel hinge design and high tensile steel construction create incredible durability Curved nose rests provide even weight distribution and eliminate pressure points Engineering grade frame polymers provide dimensional stability and long-term durability Proprietary patented GUNNAR lens material and tint Blocks harmful blue light and 100% UV light Anti-reflective lens coatings on front and back of lens Silicone hard coated lens to prevent scratching Asian Fit Compatible