Military Grade Impact Protection;Lasting Fog-Free Lenses;Durable Anti-Scratch Lenses;ANSI Z87.1+;CSA Z94.3;CSA Third Party Tested;Comfortable Arms for Extended Wear;Clear Performance Safety Glasses are Arc Tested following ASTM F2621, no ignition, melting, dripping, or after flame up to 20 cal/cm²;Tinted Performance Safety Glasses are Arc Tested following ASTM F2621, no ignition, melting, dripping, or after flame up to 25 cal/cm²