These lenses are dark outdoors in the daylight and lighten automatically to almost clear when worn indoors or at night. 100% UV protection and 100% shatterproof polycarbonate lens.
• Grey photochromatic/black frame
• Can be worn over most prescription glasses
• Case and cleaning cloth also included
• Designed to provide maximum protection against sun, wind and glare
• Polycarbonate UV 400 lenses are super-strong, exceeding ANSI Z87.1 industrial standards for impact resistance
• Meet and exceed ANSI Z80.3 special purpose UV requirements
• Individually boxed with a nylon case and belt clip
Note: Photochromic lenses will not darken behind a faceshield or windshield and will lighten in very warm weather conditions.