OTIS sunglasses meet or exceed these standards:US Standard ANSIZ80.3 (1986), Australian and NewZealand Standard AS/NZS1067 (2003),EuropeanStandard BSEN.1836 (1997)All OTIS sunglasses bear the CE mark whichdemonstrates that our products meet the requirementof the European directive 89/686 EEC and meet therequirements of prEN 1836:1996