Key features: Stainless steel frame, renowned for its lightness and resistance. Oval frame. Lenses Include: Lenses certified ISO, IAF, and KAB MC 04. Category 1 lenses: protect against glare in cloudy conditions or indoors. Protect 100% against UVA and UVB. Possible lens configurations: polarised lenses, prescription lenses, coloured lenses in 10 available colors.