MCR Safety S21 Safety Glasses with Shade 5 Lens Pyramex XSG Bifocals The wraparound frame has a

The wraparound frame has a slight cup on the edges to minimize wind disruptions without the need for foam

CVC and MICH helmets

Its smooth

Meets CSA and ANSI Z87

Noise reduction rating (NRR) 29 dB

MCR Safety S21 Safety Glasses with Shade 5 Lens Pyramex XSG Bifocals The wraparound frame has aThe 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 5 IR Scratch Resistant Lens Molded nosepiece Spring loaded temples Lenses provide 99. 9% UVA B protection Measurements: Frame Width: 140mm Temple Length: 110mm Lens