these Bobster Safety/Shooting Glasses are what you need for any rough job. They're perfect for laboratory, military, law-enforcement, or industrial work. The single lens is interchangeable with any of the three lenses provided: orange, yellow, or clear. The temples can be extended to fit any head. It also has a soft nose piece for extra comfort. The lenses meet ANSI Z87+, CE EN=1836:2005, and EN 166 high speed impact standards and they provide 100 percent UVA and UVB protection. It also comes with a carrying case, which has a clip and loops for a motorcycle handle, a cleaning cloth, and a limited lifetime warranty. Measures 56mm tall, 136 to 153mm long, and 138mm wide.