When you want to customize your ballistic eyewear, Oakley's Standard Issue Ballistic Shocktube Replacement Grey Lenses has you covered. Whether you're replacing your lenses that have seen better days, or just switching them up for something different, this replacement lens makes it quick and easy, without sacrificing quality for convienience. Features of Oakley SI Ballistic Shocktube Replacement Grey LensesMade with Ballistic Polycarbonate MaterialPermanent Anti-Fog Lens CoatingGrey Lens Provides 17% Visible Light TransmittanceGrey Base Lens Color Oakley SI Ballistic Shocktube Replacement Grey Lens 101-781-001