Serengeti Velocity Sunglasses Non-Polarized with Drivers Gradient - Perfect for Aviation & Driving Titanium Frame & Optical Glass - Light-Weight and Durable Serengeti Photochromic Glass Lens - Darkens in Bright Sunlight Anti-Reflective Backside & Oil/Finger Print Resistant Lenses Medium-Large, 2 Yr-Warranty, Spring Hinges, 60x38mm 16 DBL