The uvex super OTG is a very comfortable pair of safety spectacles with excellent eye area protection. They also fit perfectly over conventional prescription lenses, making them ideal for visitors. · · · Fits over all prescription lenses · · Supravision sapphire coating: extremely scratch-resistant and chemical-resistant · · 100% metal-free · · UV 400 sunglare filter · · Labelling: W 166 F CE – 2C-1.2 W 1 F · · Highly flexible soft arm ends