Lightweight modern safety spectacles with adjustable-length nylon arms. The KeepSafe Concorde safety glasses have a polycarbonate single lens construction with built-in browguard. These glasses fit over prescription glasses.
Lens and frame offer protection against low energy high-speed particles at 45 m/s (101 mph). The optical qualities of the lens comply with the requirements of optical class 1 (highest).
Weight: 40g approx.
Conforms to EN166 (frame: EN166F; lens: EN1661.F).