Walleva Replacement Lenses for Spy Optic Dirty MO Sunglasses - Multiple Options Available 100% Polarized (For Polarized Lenses Only, Reduces Glare and Enhances Contrast) 100% UV Protection (Exceeds ANSI Z80.3 and EN 1836:2005 Standards) 16% Light Transmission, 12%-40% (For Photochromic Lenses), 99% (For Clear Lenses), 75% (For Yellow Lenses), 36%(For Pink Lenses) ImpactResistant-PassedFDADropBallTestandZ87.1Test(ForMr. ShieldPolarizedLensesandNon-PolarizedLenses) Walleva Repel Coating (Repels Dust and Water) You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!