Key features: Acetate and stainless steel frame, known for its lightness and resistance. Round frame. 5-point metal hinge. Offers great resistance to handling. Lenses Include: Lenses certified ISO, IAF, and KAB MC 04. Lenses prepared, cut, and hand-checked in our workshop. Category 3 lenses: protect against glare in sunny conditions. Protect 100% against UVA and UVB.