Midnight Sun MirrorShield Coating (Compare to Oakley Positive Red Iridium) * 100% Polarized Polarium (Reduces Glare and Enhances Contrast) and 100% UV Protection * 18% Light Transmission - Cool View Tint * Revant Repel Coating (Repels Dust and Water) * Impact Resistant (Exceeds ANSI Z80.3 and EN 1836:2005 Standards)