Gunnar Optiks Blue Light Blocking VALVE Sunglasses - Onyx Frame/Circ Lens - Onyx Frame/Circ Lens

5-barrel steel hinge design creates incredible durability Specifically tuned to help improve your circadian rhythm by harnessing the benefits of long-wave blue light Silicone hard coated lenses to prevent scratching Anti-reflective lens coatings on front and back of lens Curved nose rests provide even weight distribution and comfort Engineering grade nylon frame polymers provide long-term durability Wide format lenses create an unobstructed panoramic field of view Blocks 100% harmful UVA and UVB light Proprietary patented GUNNAR lens material and tint Asian Fit Compatible