The Sinner Bruno Matte Sunglasses have polycarbonate mirror lenses (category 3), which are suitable for sunny weather conditions. The lenses offer 100% UV protection and provide optimal vision. The temples are made of plastic and rubber. The hinges are made of stainless steel and integrated in the frame. The Sinner Bruno Matte Sunglasses feature a modern, contemporary style without sacrificing on functionality.  Sinner Bruno Matte Sunglasses Features PC oil lens 100% UVA/B/C protection Double injection temple: pc and rubber Integral steel screw hinges Nickel free