1. The lens is a precision color processing - to eliminate the fatigue and tension of the eyes, all DASIY lenses can block harmful bright light.
Each lens is made of anti-crushing polycarbonate, which is superior to ANSI Z87.1 safety and ANSI Z80.3 visual standard to eliminate distortion, distortion, and corrugations. Make sure your eyes are best protected.
2. Elastic frame - suitable for various face width.