The Global Vision Hercules 24 Safety Glasses Photochromic Auto-Darkening Yellow to Smoke Z87.1 protect your eyes and let you see clearly all day.   These glasses were made for people who work in factories, are pros, or like being outside.  Because they have cutting-edge lens technology and a strong, comfortable frame, they work well and are easy to wear.   The photochromic auto-darkening glasses change from yellow to smoke when the UV light level changes, but you can't tell the difference.   You don't need to carry around extra pairs of glasses because you can see clearly indoors, outdoors, and in both bright and dim light.   The lenses on these glasses are not in the middle, and they are made of plastic that won't break.  In all directions, you can see clearly through this.   UV400 protection stops 99 to 100% of UVA and UVB rays that are bad for you.  The glasses are strong and last a long time because they have a coating that doesn't scratch.   The advanced G-Tech multi-layered titanium lens blocks out a lot of light while giving you great color. This makes these glasses great for working closely outside for long amounts of time or in a variety of light conditions.   Because the frame is bendable, the glasses will stay in place and feel good all day.   If Global Vision Eyewear is Z87.1 approved, it means that it meets very high standards for safety and impact protection.   Each pair comes with a one-year guarantee that covers problems that were made by the company that made them.  For everyday use, this gives you peace of mind.  

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