Honeywell Tectonic Protective Eyewear ANSI Z87+ Approved XV201 The Tectonic Series eyewear brings a new level of affordable and comfortable eyewear, weighing less than one ounce. Flexible temples provide just enough tension to comfortably keep the eyewear in place. The 9-base curve lens offers a close fit with excellent side protection. Anti-Scratch hardcoat extends the life of the lens for longer wear. All Tectonic lenses provide 99.9% UV protection and meet the ANSI Z87.1-2010 High Impact standard. From the Manufacturer The Tectonic Series eyewear brings a new level of affordable and comfortable eyewear, weighing less than one ounce. Flexible temples provide just enough tension to comfortably keep the eyewear in place. The 9-base curve lens offers a close fit with excellent side protection. Anti- Scratch hardcoat extends the life of the lens for longer wear. All Tectonic lenses provide 99.9% UV protection & meet the ANSI Z87.1-2010 (High Impact) standard.