Product description ISARC means Inner Side Anti-Reflection Coating. Inner side of the lenses are coated by a blue anti-reflection layer, which can eliminate flare caused by back light. Mr. Shield means Multiple Resistance Shield, which can resist corruption from sea/pool/soap water. Mr. Shield lenses are taper corrected(better optics), PC polarized(tolerate damages and scratches). Lens care: Please avoid salt water, sea water, pool water, soap water and chlorine & alcohol-based cleaners. Clean with clear water or provided cleaner (if provided) and microfiber cloth. Rubber installation: Please use soap water to wet the sunglasses arms before installation. Non-Polarized Lenses Polarized Lenses ISARC Polarized Lenses Mr. Shield Polarized Lenses 100% UVA/UVB/UVC Protection Yes(Not for clear, pink, yellow) Yes Yes Yes 100% Polarized/Glare Blocking No Yes Yes Yes Clarity/Contrast Normal Enhanced Enhanced Best Front Side Anti-Scratch Coating Yes Yes Yes Yes Inner Side Anti-Reflection Coating No No Yes No Impact Resistant(the frame also need to meet the standard) Z87.1 Z80.3 Z80.3 Z87.1 Water Resistant/Dust Resistant/Shatter Proof Yes Yes Yes Yes Sea, Pool Water/Detergent Resistant No No No Yes Taper Corrected/Injected Molded No No No Yes Thickness/Material 1.7mm/PC 1.4mm/TAC 1.4mm/TAC 1.5mm/PC Mr. Shield Polarized Regular/ISARC Polarized Transition Polarized Non-polarized Yellow/Pink/Clear No sunglasses Hiking Best Best Best Good OK OK Jogging/Racing Best Best Best Good OK OK Cycling Best Best Best Good OK/OK/Good No Driving Best Best No Good OK OK Fishing Best Best Best No No No Water Sports Best No No No OK OK Golf Best Best Best Good OK No Outdoor Leisure Best Best Best Good No/OK/OK OK Shooting Good No No OK Good/Good/Best No Night sports No No No No Best OK Mr. Shield Polarized Regular/ISARC Polarized Transition Polarized Non-polarized Yellow/Pink/Clear No sunglasses Sunny Best Best Best Good OK OK Partly Cloudy Best Best OK Good OK OK Cloudy Best Best No Good OK OK Low Light No No No No Best/OK/Best OK Snowy Best Best No No No No Best: Strongly recommend Good: Recommend, it can provide some good effects, or it is useful in some special conditions OK: No opinion No: Strongly not recommend * If the recommendations for weather and activity conditions are different, please take the priority of No>Best>Good>OK. For example, if you are cycling under low light condition, the recommendation for Mr. Shield lenses is "Best" for cycling, "No" for low light. Please take the recommendation of "No" because of "No">"Best". It means you should not use Mr. Shield lenses for cycling under low light condition. The recommendation for Yellow lenses is "OK" for cycling, and "Best" for low light, so you should take the recommendation of "Best" because of "Best" > "OK", it means you should use Yellow lenses for low light cycling. ** Recommendation is provided free of charge; use the information at your own risk; we are not responsible for any accidents because of using the information in this page.