The Delta offers a large-lens, square-shaped frame, designed to fit comfortably on male faces but with a stylish look that appeals to both genders. Its versatility ensures it offers the ideal balance between form and function, enabling you to look and feel great in any situation.Lens color Smoke: Gray base. Reduces bright light and enhances color perception. Best for sunny days and everyday use. Visible Light Transmission (VLT) - 12%Lens color Blue Mirror: Gray base. Reduces bright light and enhances color perception. Best for sunny days and everyday use. Visible Light Transmission (VLT) - 12%Lens color Sunburst Mirror: Gray base: Reduces bright light and enhances color perception. Best for sunny days and everyday use. Visible Light Transmission (VLT) - 15%Features:Milspec BallisticAnti-fog CoatingHigh Contrast LensesScratch Resistant CoatingVisibility Of Digital ScreensHydro-oleo CoatingPolarized Glare ReductionCerakote FinishPrecision Cnc Machined Aluminum FrameStainless Steel Rivets Bond 4 Hinges To FrameDurable Cerakote And Anodized Coatings100+ Point Measurement Quality CheckAdjustable Center Frame WidthThin Adjustable TemplesAdjustable Silicone Nosepiece With Metal Core