TR90 frame Composite lens Polarized UV Protection Coating coating Lens width: 60 millimeters 【UV / Polarized TAC Lens】UV400 Protection Coating Blocks 100% of Harmful UVA, UVB & UVC Rays up to 400nm, Restores True Color, Eliminates Reflected or Scattered Light, Enhance Contrast, Anti-glare to Make Your Eyes More Comfortable. TAC Lens are Extremely Impact-resistant, Scratch-resistant, Lightweight and Durable. 【Lightweight TR90 Frame】The Cool Black Unbreakable Sunglasses are Made of Premium TR90, Ultra Light Weight, Flexible, Durable, Produced Through Swiss Technology as a Resilient Thermoplastic Memory Material. Non-slip Nose Pads are Comfortable & Skin-friendly. Unique Flex Hinges Design, Don't Press Head. ZENOTTIC Polarized Sunglasses for Men Lightweight TR90 Frame UV400 Protection Square Sun Glasses - BQKKGI0FN