Polycarbonate lens, PVC frame., Comfortable., Lightweight., CAT II, Conform to EN166:, Optical Class:1, BT - (Medium impact energy at extreme temperatures), 2C-1.2 - UV Filter, Fields of use: 3 Liquid splash These goggles are treated with Crystal Coat (TM), C-380M is a polysiloxane based thermal cure hardcoat that combines anti-fog performance with abrasion and chemical resistance.