Sundog Bolt TrueBlue Sunglasses Vented lens help reduce the risk of fogging in humid climates and the Max Flex RILSAN frame, Megol temple tips and adjustable Megol nose pad provide non-slip performance and great comfort Unique Blue Light Filtration, Improved Performance, Refined Protection, Enhanced Definition, Maximum Visual Clarity, Superior Glare Reduction, Reduces Visual Fatigue, Flow Through Top Venting, Eye Lens width 68mm, Bridge 15mm, Temple 123mm, Height Lens 40mm MaxFlex RILSAN Frame, ContourFLEX Adjustable Megol Nose Pad, Megol Co-Injected Temple Tips, Open Bottom Frame Design, Includes Soft Microfiber Lens Cleaning Cloth Case