Key features: Titanium frame, a noble metal known for its lightness and strength. Origin: Japan. Oval frame. Inside of the frame is silver Lenses Include: Lenses certified ISO, IAF, and KAB MC 04. Category 3 lenses: protect against glare in sunny conditions. Protect 100% against UVA and UVB. Possible lens configurations: polarised lenses, prescription lenses, coloured lenses in 14 available colors.