The Global Vision Hercules 1 24 Safety Glasses with Clear Photochromic Lenses and Matte Black Frames transform from clear to smoke depending upon existing lighting conditions. These safety glasses with transitioning lenses not only provide versatility, but also extreme durability and protection meeting ANSI Z87.1 standards for impact protection and featuring shatterproof and scratch resistant lenses. Added UV protection makes these safety glasses an excellent choice for outside work as well

• Meets ANSI Z87.1-2010 Standards for use in Industrial Applications
• Shatterproof Polycarbonate Lenses
• UV400 Filter for Maximum UV Protection
• Scratch Resistant Coating
• Matte Black Frames
• Gray Rubber Ear Pads
• Boxed with Microfiber Pouch for Cleaning and Safe Storage
• Lenses Transform According to Existing Lighting Conditions
• Transforms from Clear to Smoke or Yellow Tint to Smoke
• California residents, read the Proposition 65 warning