The Puma bifocal glasses with polycarbonate lenses are ANSI Z87.1 safety rated, so you can feel safe in dangerous work environments and playing high impact sports. Great for motorcycle riding, golf, baseball, hunting, fishing or in your workshop. Wraparound180 degree frame blocks harmful UV rays, wind, dust and debris from all angles. Includes microfiber cleaning case. Available in clear, yellow, copper HD, dark smoke lenses. All lens colors block 100% UV rays. Fits SMALL to MEDIUM heads - very versatile frame.