aluminium-magnesium alloy frame frame Composite lens Polarized Scratch Resistant Coating coating Lens width: 64 millimeters Bridge: 16 millimeters [TAC Polarized Lens] -- UV400 Protection Coating blocks 100% of harmful UVA & UVB rays. Visually restores true color, eliminates reflected or scattered light. TAC polarized triacetate lenses are impact and scratch resistant, lightweight and durable! ANDOILT Mens Sports Polarized Sunglasses UV Protection Sunglasses for Men Fishing Driving - BDN327NQI