The eyeglasses frames labelled as ” Rx-able” means the glasses frames available for prescription lenses (also called RX lenses). For users who wear prescription glasses, our Rx Overglasses offer high protection while still providing excellent vision. The glasses fit over most prescription safety glasses and feature horizontal and vertical adjustable temples, anti-fog lens and Tuff-Stuff™ anti-scratch lens coating. The limited lens curvature offers the best optics and distortion-free wide-angle viewing.

• Glasses fit over most prescription eyewear
• Panto/retroscopic tilt and sliding horizontal length adjustment offers a custom and secure fit
• Clear or gray lenses safety glasses

It was a horrific workplace tragedy that led to the creation of MSA, the worldwide leader in worker protection and safety product innovation. On the morning of March 26, 1912, the Jed Mine in West Virginia exploded. In a flash, methane gas ignited and more than 80 miners lost their lives. In the decades that have come and gone, MSA has continued to lead the charge for workplace safety. We’ve led the way with small first-aid kits and portable methane detectors, and harnessed new technologies to produce state-of-the-art thermal imaging cameras, safety glasses, ballistic helmets, and leading edge systems for gas and flame detection.