Quality Comfortable Frame Engineering grade frame polymers and 3-barrel hinge design provide dimensional stability and long-term durabilty, curved nose rests provide even weight distribution and eliminate pressure points Wide Format Lenses Wide format, wrap around lenses create an unobstructed panoramic, high-resolution field of view Anti-Reflective Lens Dual-sided anti-reflective lens coating Gunnar UV Protection Gunnar's 100% UV protective coating shields the eyes from harmful ultraviolet rays Gunnar Blue Light Filter (GBLF) Gunnar's Blue Light Filter offers a tinted lens for optimal protection against harmful and distracting artificial blue light Specs Lens width 68 mm, nose 18 mm, temple 130 mm, weight 26 grams