Anti4s Lenses: The outer layers of lens are specially coated, perfectly preventing from sea corrosion, oil stains, adhesive dust and slightly scratches, which extends the lenses' life-span and makes them easy to clean. Anti4s: anti-saltwater, anti-oil, anti-dust and anti-scratch.
Unique View Tint Engineering: With upgraded front and back hardness coating, lenses of different colors will offer different view tints that are comfortable for eyes under special environment, and also keep the original nature colors without loss.
100% Polarized: Polarized lenses reduce glare, enhance contrast, correct objects distortion from reflected light, provide 100% UV protection and keep you from eyestrain.
Impact Resistant: Tested by FDA Drop Ball, exceeding ANSI Z80.3 and EN 1836:2005 standards, the lens effectively guard against sudden crash and greatly fit for fierce sports.