Stunning RX Quality Lightweight Armor Plated Stainless Steel Sunglasses from Bravo. : Lenses Coated with Exclusive Long Lasting ANTIFOG Liquid Technology. Exclusive to Bravo! : Virtually Indestructible. Nearly impossible to break. : 100% UVA/UVB Protection : Scratch Resistant Poly Carbonate Lens. :Fog Technology will clear fog almost completely. So you can have an excellent clear view. :Rain Technology. Improves vision when its raining in daytime. : This design accentuated with genuine Swarovski Crystals and Sterling Silver over Stainless Steel. Metal Color: Sterling Silver over Stainless Steel. Size: 58-18/140 Acetate: Black Description: 56 Total 1.0mm round Swarovski Diamonds (28 per arm). Lens Color: Violet ALL BRAVO LENSES CAN BE EASILY EXCHANGED BY ALL OPTOMETRIST FOR PRESCRIPTION READING, SUNGLASSES OR BI FOCALS.