Demand more from your Pit Vipers. Introducing Dual Lens Technology™ , with 200% more lenses than original Pit Vipers. Or 100% more? I don't know.Featuring round lenses and side protection elements > reminiscent of classic glacier goggles, Exciters are Pit Viper's boldest model.They adjust remarkably well, are equipped with E-Spot™ and now featuring state-of-the-art rubber contact points on the nose bridge and earpieces, to ensure a comfortable fit all day long.Exciters, the first Pit Vipers with dual lenses.These Pit Vipers are Z87+ approved to protect your eyeballs from hazardous conditions on the job site, in the field or in the bedroom.