MCR Safety CK219AF Checkmate 2 Polycarbonate Indoor/Outdoor Clear Mirror Anti-Fog Lens Safety Glasses with Bayonet Temple Checkmate 2 safety glasses with bayonet temple sleeve Exclusive Duramass scratch resistant coating Near total eye orbital seal assures the highest level of protection Rugged strong and lightweight polycarbonate lens filters 99.9 percent of U.V. rays Available in silver temple sleeve and indoor/outdoor clear mirror anti-fog lens color