Revant Replacement Lenses for Oakley Flak Jacket XLJ 4 Pair Combo Pack K018 4 combo pack - Ice Blue, Fire Red & Titanium MirrorShield lenses & Stealth Black 100% polarized Polarium&reg; lenses reduce glare, enhance contrast, and provide 100% UV protection Revant Repel nano-coating - repels water and dust Ice Blue - 18% light transmission, warm rose view tint | Stealth Black - 8% light transmission, neutral view tint | Fire Red - 18% light transmission, cool blue view tint | Titanium - 10% light transmission, neutral view tint Impact resistant (exceeds ANSI Z80.3 and EN 1836:2005 standards)