Frame: Black Gloss With Treble Collage InteriorLens:Dual Mirror Lens Options Are Not Available In Prescription. Dual Mirror Silver To Black-Over Our Neutral Grey Base Lens That Offers The Highest Available Light Reduction For The Richest Colors And Sharpest Contrast. Dual Mirror Lens Options Are Not Available In Prescription.Lens Material: SuperThin Glass - Provides The Absolute Crispest Optics Available. 20% To 32% Thinner And Lighter Than Standard Glass, It Offers The Best Scratch And Solvent Resistance.