Require more of your Pit Vipers. Introducing Dual Lens Technology(TM); 200% more lens than the original Pit Vipers. Or 100% more? Idk. Featuring round lenses and protective Brook Shields, reminiscent to classic glacier glasses, The Exciters are Pit Viper&&';;s most dangerous model to drive in. Remarkably adjustable, featuring the E-Spot(TM) and now presenting state-of-the-art rubber touchpoints on the nose bridge and ear pieces, to ensure comfortable mountability all day long. The Exciters, the first dual lens Pit Vipers. Stats: UV Protection: 100% Light Transmission: 20% Lens: ANSI Z87+ Polycarbonate Look Thru Color: Grey/Blue Polarized: Yes What&';s in the Box: 1 Pair of Pit Viper Exciters 1 Limpcloth(TM) 1 Tie Down Retainer Strap Size Guide: Frame Width: 5.86in (Merika) 149mm (Metric) Frame Height: 2.28in (Merika) 58mm (Metric)