MCR Safety S21 Safety Glasses with Shade 3 Lens Perforated Goggles but with an added bonus

but with an added bonus of being able to choose your bifocal strength

and the test was performed on ANSI S3

Polarized Grey and Photochromic

Including both side shields in the same package also offers the best solution to many issues created by hundreds of proprietary temple-mounted sideshields and the need to be OSHA compliant

The polarized lens removes unwanted glare

MCR Safety S21 Safety Glasses with Shade 3 Lens Perforated Goggles but with an added bonusThe MCR Safety S21 Safety Glasses, formerly the Blackjack, provide full coverage and a frameless design. The S21 has a molded nose bridge and a single polycarbonate lens for uninterrupted vision. The spring loaded metal temples ensure a snug fit on various head sizes. Features: Shade 3 IR Scratch Resistant Lens Molded nosepiece Spring loaded temples Lenses provide 99. 9% UVA B protection Measurements: Frame Width: 140 mm Temple Length: 110 mm Lens