Key features: Acetate and stainless steel frame, known for its lightness and resistance. Square frame. 5-point metal hinge. Origin: Germany. Offers great resistance to handling. Lenses Include: Lenses prepared, cut, and hand-checked in our workshop. 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 14 available colors.