Key features: Acetate and stainless steel frame, known for its lightness and resistance. Square frame. Lenses Include: Lenses certified ISO, IAF, and KAB MC 04. Category 2 lenses: protect against glare in partially sunny conditions. Protect 100% against UVA and UVB. Possible lens configurations: polarised lenses, prescription lenses, coloured lenses in 10 available colors.